Exoplanets, exocomets & exomoons

The search for exoplanets:

A rogue planet

The planet hunter  

Exoplanets to scale

Exploring new worlds

Our cosmic self-esteem  

NASA exoplanet archive

Planet population is plentiful 

Extrasolar planetary systems 

Billions and billions of planets

Exoplanets and other 'Earths'

A planet hotter than most stars

Rage against the dying of the light  

Big data on exoplanet composition

The Extrasolar Planets Encyclopaedia

Can one buy the right to name a planet?

First robotic telescope for planet hunters

Looking to the future of exoplanet science

Largest haul of extrasolar planets to Japan

Beyond the exoplanet mass-radius relation

Exoplanet Aurora: an out-of-this-world sight

Kepler telescope bags huge haul of planets

New method for exoplanet stability analysis

Planet found in nearest star system to Earth

Exoplanet puzzle cracked by jazz musicians

Circular orbits identified for small exoplanets

Solar system's youth gives clues to planet search

Robotically discovering Earth's nearest neighbors

Discovery creates new class of planetary systems

TESS shares first image in hunt to find new worlds 

As exoplanets pile up, a gap appears in the pattern

Ultrahot exoplanet bleeds heavy metals into space

ALMA reveals workings of nearby planetary system

New exoplanet search strategy claims first discovery 

Simpler way to define what makes a planet proposed

Exoplanets - the beginning of a new era in astrophysics

Chandra sees eclipsing planet in X-rays fro the first time

Discovery of a Mars-size world uses tug-of-war technique

'Behemoth' atmospheric tail bleeding from warm exoplanet

Far-away planet systems are shaped like the Solar System 

Astronomers find elusive planets in decade-old Hubble data 

Eight planets in Kepler-90 system found using machine learning

Observing Solar System worlds as if they were distant exoplanets

Computer searches telescope data for evidence of distant planets

Keck Observatory pictures show fourth planet in giant solar system

Astronomers observe planets around another star like never before

NASA's Kepler announces 11 planetary systems hosting 26 planets

How one astronomer became the unofficial exoplanet record-keeper

European satellite could discover thousands of planets in Earth's galaxy

On the possibility of coherent cyclotron emission from extrasolar planets

Searching a sea of 'noise' to find exoplanets - using only data as a guide 

Rare brown dwarf discovery provides benchmark for future exoplanet research

Comparing HARPS and Keplar surveys: the alignment of multiple-planet systems 

Europlanet 2020 Research Infrastructure launches new era of planetary collaboration in Europ

Exoplanet formation:

Like star, like planet

Exoplanet formation surprise

A new way of forming planets

New light shed on planet formation

The structure of protoplanetary disks  

Forming planet observed for the first time

NASA's Spitzer puts planets in a Petri dish

Unprecedented views of the birth of planets

Global models of planet formation & evolution

Birth of planets revealed in astonoshing detail

Orbital evolution and migration of giant planets

When stellar metallicity sparks planet formation

Planets can form around different types of stars 

Infant solar system shows signs of windy weather

Evolutionary models of cold and low-mass planets

Probing exoplanet interiors through lab simuations

Popular solar system orbits result in planet 'pile-ups'  

We just saw the birth of a new planet for the first time

Pebble-size particles may jump-start planet formation

C/O and MG/SI ratio of stars in the solar neighborhood 

The most precise measurement of an alien world's size

Planets found to be larger than the disks they come from 

ALMA discovers formation site of a giant planetary system

Solved: mysteries of a nearby planetary systems' dynamics

A close look at newborn planets recels hints of infant moons

Water signature in distant planet shows clues to its formation

Hubble surveys debri-strewn exoplanetary construction yards

Models of giant planett formation with migration and disk evolution

'Dust Trap' around distant star may solve planet formation mystery

Planet-forming disk turns off lights, locks doors - going out of business!

A young protoplanet candidate embedded in the circumstellar disk of HD100546 

Spontaneous 'dust traps': astronomers discover a missing link in planet formation

Rocky exoplanets:

The diamond planet?

What kind of stars form rocky planets?

Nearest rocky exoplanet to Earth confirmed

Evidence for disintegration of KIC 12557548 b

Mass-radius relation for rocky planets based on PREM

Between a rock and a hard place: can garnet planets be habitable?

What would a rocky exoplanet look like? Atmosphere models seek clues

Rocky planets may be habitable depending on their 'air conditioning' system

Exoplanetary atmosphere, weather and climate:

Big weather on 'hot Jupiters'

Hubble finds a true blue planet 

Using an atmosphere to weigh a planet 

Atmospheric seasons could signal alien life

Tidal forces could squeeze out planetary water

Titan offers clues to atmospheres of hazy planets

The space weather on the closest Earth-like exoplanet

Scientists generate first map of clouds on an exoplanet

Unexpected carbon-13 found in exoplanet's atmosphere

Astronomers find an exoplanet atmosphere free of clouds

Rapid destruction of Earth-like atmospheres by young stars

Cloud modeling expands estimate of life-supporting planets

First evidence for water ice clouds found outside Solar System

Atmospheres can collapse on the dark side of tidally-locked planets

A false positive for ocean glint on exoplanets: the lattitude-albedo effect 

Hubble detects helium in the atmosphere of an exoplanet for the first time

Temporal variations in the evaporating atmosphere of exoplanet HD 189733b

Under pressure: how the density of exoplanets' atmospheres weighs on the odds for alien life

The weather on alien worlds: astrophysicists prepare forecasts for planets beyond our solar system

NASA researchers identify features that could be used to detect life-friendly climates on other worlds

Potentially habitable exoplanets:

Life on an aquaplanet

The planetary sweetspot 

Planetary habitability catalog

The habitability of other worlds

Planetary habitability laboratory

What makes a planet habitable?

Nitrogen may be a sign of habitability

A new Goldilocks for habitable planets

Tau Ceti may have an habitable planet 

Rotation of planets influences habitability

Nearby super-Earth likely a diamond planet

Eight new planets found in Goldilocks' zone

Where is the habitable zone for M-dwarf stars?

Scientists discover potentially habitable planets

Greenhouse effect could extend habitable zone

Red dwarf sttar's planets may face oxygen loss

The habitable zone and extreme planetary orbit 

Planets in the habitable zone around most stars

TRAPPIST-1 system planets potentially habitable

Life needs an atmosphere, but how much is too much?

In the zone: how scientists search for habitable planets

Cosmic impacts may help create suitable habitat for life

Tidal locking could render habitable planets inhospitable

A star's early chemistry shapes life-friendly atmospheres

Search for habitable planets should be more conservative

Nearby star hosts closest alien planet in the 'habitable zone'

Closest ever terrestrial exoplanet found, habitability debated

Astronomers devise 'habitability index' to guide future search

The outer edge of a star's habitable zone a hard place for life

Planetary atmospheres a key to assessing possibilities for life

The habitability of GJ357D: possible climates and observability

Researchers detect water in a planet outside of our Solar System

Scientists blast iron with lasers to study the cores of rocky planets

Planets outside our solar system more hospitable to life than thought

Exoplanet axis study boosts hopes of complex life, just not next door

Feature of Earth's atmosphere may help in search of habitable planets

Some potentially habitable planets began as gaseous, Neptune-like worlds

Earth's stable temperture past suggests other planets could also sustain life

NASA's Kepler mission confirms its first planet in habitable zone of Sun-like star

First insight into atmospheres of potentially habitable planets orbiting TRAPPIST-1

Solar system with six exoplanets, others in habitable zones found by NASA's Kepler

Trappist-1 system: probing seven worlds with with NASA's James Webb space telescope

The occurrence of rocky habitable zone habitable planets around solar-like stars from Keplar data

Earth-like exoplanets & Super-Earths:

Earth's new neighbor

The alien world of Super Earths

Earth 2.0: same, same, but better

'Super-Earths' may be dead worlds

18 Earth-sized exoplanets discovered

Most Earth-like worlds yet too be born

Super-Earths have longer-lasting oceans

Earth-like planets have Earth-like interiors

New technique to discover Earth-like planets

JPL's PlanetQuest - search for another Earth

Alien Earths could form earlier than expected 

Keplar 62 offers two exoplanets similar to Earth

New Earths discovered around a vey small star

'Super-Earths' may have oceans and continents

At least one in six stars has an Earth-sized planet

Rocky planet looks familiar, but iis not Earth's twin

Hiding in the sunshine: the search for other Earths

Giant Super-Earths made of diamonds are possible

This astronomer is determined to find another Earth

Finding infant Earths and potential life just got easier

Diamond 'Super-Earth' may not be quite as precious 

Scientists predict Earth-like planets around most stars

How many Earth-like planets are around Sun-like stars? 

Bricks to build an Earth found in every planetary system

NASA's Spitzer maps climate patterns on a Super-Earth

Astronomers find a new type of planet: the "Mega-Earth" 

Three nearly Earth-size planets found orbiting nearby star 

Space telescope findings suggest molten planetary surface 

A distant planet's interior chemistry may differ from our own

Getting up close and personal with an Earth-sized exoplanet

Two new Earth-like planets discovered near Teegarden's star

The HARPS search for Earth-like planets in the habitable zone

Friction from tides could help distant Earth's survive, and thrive

'Mirage Earth' exoplanets may have burned away chances for life

NASA discovers first Earth-size planets beyond our Solar System

Astronomers find first evidence of changing conditions on a super Earth

NASA's Kepler telescope discovers first Earth-size planet in habitable zone

Newly found super-Earth alien planet whips around its star every 0.67 days

Hot super-Earths stripped by host stars: 'cooked' planet shrink due to radiation

Study of material surrounding distant stars shows Earth's ingreidents 'pretty normal'

Ultrahigh-pressure laser experiments shed light on cores of 'super-Earth' exoplanets

Orbital variations can trigger 'snowball' states in habitable zones around sunlike stars    

What would constitute signs of life itself?

Astrobiology Network

Water-trapped' worlds

Where are all the aliens?

Are we alone in the Univere?

Carbon worlds may be waterless

New conditions for life on other planets

Planet discoveries boost LifeSearch2.0

Scientists debate signatures of alien life

Don't forget F-type stars in search for life

Ancient star raises prospects of intelligent life

Can life emerge on planets around cooling stars?

Mini-Neptunes might host life under right conditions

Colorful life-form catalog helps discern if we're alone

Ether compounds could work like DNA on oily worlds 

Search for life on exoplanets more difficult than thought 

Hunt for extraterrestrial life gets massive methane boost

How Lunar eclipses may help us find life on other planets 

Why complex mineral surfaces could be indications of life

Red Dwarf stars might be best places to discover alien life

A new collaboration to aid the search for life on distant worlds

'Dimer molecules' aid study of exoplanet pressure, hunt for life

Search for life suggests solar systems more habitable than ours

Heritage of Earth's water gives rise to hopes of life on other planets

Search for advanced civilizations beyond Earth finds nothing obvious

Life or illusion? Avoiding 'false positives' in the search for living worlds

The Earth as a benchmark: spectropolarimetry unveils strong bio-signatures

A nre empirical constraint on the prevalence of technological species in the universe

Toward a list of molecules as potential biosignature gases for the search for life on exoplanets

Jupiter-like exoplanets:

A highly eccentric exoplanet

A hot Jupiter's clear atmosphere

New exoplanet too big for its star

New exoplanet endured a rough start

Cooking up alien atmospheres on Earth

Jupiter twin discovered around solar twin

Looking for Earths by looking for Jupiters

Hubble to reveal cloudy weather on alien world

'Hot Jupiters' provoke their own host suns to wobble

Hunting for giant planet analogs in our own backyard 

Giant ringed planet likely cause of mysterious eclipses

Missing water mystery on Jupiter-like explanets solved

Distant planetary  system is a super-sized solar system

Newly discovered giant planet slingshots around its star

Astronomers find giant young planet around very young star

The diverse lives of massive protoplanets in self-gravitating discs

Shrinkin planets could explain mystery of Universe's missing worlds

Jupiter-like exoplanets found in sweet spot in most planetary systems

Shrinking planets could explain Exomoons:

The hunt for exomoons 

Where moons are made

Wanted: habitable moons  

Hints of volcanically active exomoon

Follow the radio waves to exomoons

Artwork unveiled on exoplanet satellite

The first exomoon may have been spotted

Could exomoons give false positives in search for life?

A close look at newborn planets reveals hints of infant moons

Ejected moons could help solve several astronomical puzzles

Researchers have identified 121 giant planets that may have habitable moons

Exocomets:

Exocomets may be as common as exoplanets

Hubble detects 'exocomets' plunging into youing stars

Exoplanets around binary, triple and four-star systems:

Two suns better for life

Planet 'reared' by four parent stars

Planet formation around binary star

Exoplanet found in curious triple-star system

A backward-spinning star reveals its likely origin

Armchair astronomers find planet in four-star system

How two planets likely acquired their backward orbits

Scientists unlock riddle behind planet orbiting two stars

Exoplanmets can't hide their secrets from innovative new instrument

Exoplanets beyond the Milky Way galaxy:

Astronomers identify first planets outside the Milky Way

Wasp-76b: the exotic inferno planet where it rains iron'

Nightside condensation of iron in an utrahot giant exoplanet