Exoplanets, exocomets & exomoons

The search for exoplanets:

The planet hunter    

NASA exoplanet archive   

Billions and billions of planets

A planet hotter than most stars

Big data on exoplanet composition

Looking to the future of exoplanet science

Beyond the exoplanet mass-radius relation

Largest haul of extrasolar planets to Japan

New method for exoplanet stability analysis

Exoplanet puzzle cracked by jazz musicians

Solar system's youth gives clues to planet search

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

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

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

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

Computer searches telescope data for evidence of distant planets

NASA's Kepler announces 11 planetary systems hosting 26 planets

How one astronomer became the unofficial exoplanet record-keeper

On the possibility of coherent cyclotron emission from extrasolar planets

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

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

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

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

Exoplanet formation:

Forming planet observed for the first time

Unprecedented views of the birth of planets

Global models of planet formation & evolution

Orbital evolution and migration of giant planets

Evolutionary models of cold and low-mass planets

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

Planets found to be larger than the disks they come from

A close look at newborn planets recels hints of infant moons

Models of giant planett formation with migration and disk evolution 

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

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

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

Planets in the habitable zone around most stars

TRAPPIST-1 system planets potentially habitable

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

Cosmic impacts may help create suitable habitat for life

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

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

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

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

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 Earths discovered around a vey small star

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

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   

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

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

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

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    

Exoplanetary weather and climate:

Big weather on 'hot Jupiters'

Using an atmosphere to weigh a planet 

Atmospheric seasons could signal alien life

The space weather on the closest Earth-like exoplanet

Scientists generate first map of clouds on an exoplanet

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

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

What would constitute signs of life itself?

Where are all the aliens?

Are we alone in the Univere?

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

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

Hunt for extraterrestrial life gets massive methane boost

Why complex mineral surfaces could be indications of life

Red Dwarf stars might be best places to discover alien life

Search for advanced civilizations beyond Earth finds nothing obvious

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

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

Rocky exoplanets:

What kind of stars form rocky planets?

Nearest rocky exoplanet to Earth confirmed

Mass-radius relation for rocky planets based on PREM

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

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

Jupiter-like exoplanets:

A highly eccentric exoplanet

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

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

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

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

Mini-Neptunes might host life under right conditions    

Space telescope findings suggest molten planetary surface

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

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

Circular orbits identified for small exoplanets    New exoplanet too big for its star

'Behemoth' atmospheric tail bleeding from warm exoplanet

Robotically discovering Earth's nearest neighbors

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

Planet 'reared' by four parent stars    Three nearly Earth-size planets found orbiting nearby star

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

Observing solar system worlds as if they were distant exoplanets

Pebble-size particles may jump-start planet formation

Hubble surveys debri-strewn exoplanetary construction yards

Birth of planets revealed in astonoshing detail      

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

Observing solar sytem worlds as if they were distant exoplanets

JPL's PlanetQuest - search for another Earth    Astronomers find a new type of planet: the "Mega-Earth"

Astronomers find first evidence of changing conditions on a super Earth   

'Hot Jupiters' provoke their own host suns to wobble

Ether compounds could work like DNA on oily worlds

Search for life on exoplanets more difficult than thought

The most precise measurement of an alien world's size

Solved: mysteries of a nearby planetary systems' dynamics

Probing exoplanet interiors through lab simuations

Titan offers clues to atmospheres of hazy planets

First robotic telescope for planet hunters    

Researchers detect water in a planet outside of our solar system

Infant solar system shows signs of windy weather 

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

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

Rare brown dwarf discovery provides benchmark for future exoplanet research

    'Super-Earths' may have oceans and continents

Scientists unlock riddle behind planet orbiting two stars

ALMA discovers formation site of a giant planetary system  

Kepler telescope bags huge haul of planets

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

A brighter method for measuring the surface gravity of distant stars

Two suns better for life    'Water-trapped' worlds

New technique to discover Earth-like planets     In the zone:how scientists search for habitable planets

Tau Ceti may have an habitable planet     Can life emerge on planets around cooling stars?

Search for life suggests solar systems more habitable than ours   

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

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

The habitable zone and extreme planetary orbit     

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

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

NASA's Spitzer puts planets in a Petri Dish      

Hubble finds a true blue planet     Exoplanet formation surprise   Carbon worlds may be waterless

Can one buy the right to name a planet?  

The hunt for exomoons    Follow the radio waves to exomoons

At least one in six stars has an Earth-sized planet     Blue Marble Space Institute of Science

Astronomers observe planets around another star like never before

Water signature in distant planet shows clues to its formation

Keplar 62 offers two exoplanets similar to Earth

Scott Hubbard explains how NASA might revive the Kepler space telescope

Planet found in nearest star system to Earth    

Distant planetary  system is a super-sized solar system

A young protoplanet candidate embedded in the circumstellar disk of HD100546

NASA Discovers First Earth-Size Planets Beyond Our Solar System     A stray planet

Astrobiology Network

Armchair astronomers find planet in four-star system      Video discussion of exoplanets 

Planet  Population is Plentiful   

Extrasolar Planetary Systems    The Extrasolar Planets Encyclopaedia    Exoplanets to scale      

Tidal Forces Could Squeeze Out Planetary Water      Our Cosmic Self-Esteem

NASA's Kepler Mission Confirms Its First Planet in Habitable Zone of Sun-like Star

Tidal Locking Could Render Habitable Planets Inhospitable   Wanted: Habitable Moons

Alien Earths could form earlier than expected    

Planets can form around different types of stars     Exploring new worlds

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

The planet hunter    How one astronomer became the unofficial exoplanet record-keeper

New light shed on planet formation     Discovery creates new class of planetary systems

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

Popular Solar System orbits result in planet 'pile-ups'  

ALMA reveals workings of nearby planetary system

Keck Observatory pictures show fourth planet in giant solar system

Rage against the dying of the light 

Exoplanet Aurora: An Out-of-this-World Sight Visions and Voyages for Planetary Science 2013 - 2022

Evidence for disintegration of KIC 12557548 b

When stellar metallicity sparks planet formation

The Diamond Planet      



Hints of volcanically active exomoon

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 may be as common as exoplanets

Hubble detects 'exocomets' plunging into youing stars

Exoplanets around binary & triple star systems:

Planet formation around binary star

Exoplanet found in curious triple-star system

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