Exoplanets, exocomets & exomoons

Billions and billions of planets   Solar system's youth gives clues to planet search

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

Getting up close and personal with an Earth-sized exoplanet

Simpler way to define what makes a planet proposed

NASA exoplanet archive    Nearest rocky exoplanet to Earth confirmed

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

Astronomers devise 'habitability index' to guide future search

Most Earth-like worlds yet too be born    A distant planet's interior chemistry may differ from our own

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

The planetary sweetspot    Bricks to build an Earth found in every planetary system

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

Jupiter twin discovered around solar twin

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

Search for advanced civilizations beyond Earth finds nothing obvious

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

Planets in the habitable zone around most stars

Mini-Neptunes might host life under right conditions

Planets outside our solar system more hospitable to life than thought

Ancient star raises prospects of intelligent life

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

Scientists predict Earth-like planets around most stars

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      Finding infant earths and potential life just got easier

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

Observing solar sytem worlds as if they were distant exoplanets 

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

Super-Earths have longer-lasting oceans

Astronomers find first evidence of changing conditions on a super Earth 

'Hot Jupiters' provoke their own host suns to wobble

Planet discoveries boost LifeSearch2.0    Life on an aquaplanet

A star's early chemistry shapes life-friendly atmospheres

Ether compounds could work like DNA on oily worlds

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

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

First evidence for water ice clouds found outside Solar System

Hunt for extraterrestrial life gets massive methane boost

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

Cosmic impacts may help create suitable habitat for life

Why complex mineral surfaces could be indications of life

Search for life on exoplanets more difficult than thought

Could exomoons give false positives in search for life?

Red Dwarf stars might be best places to discover alien life

Rotation of planets influences habitability

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

The most precise measurement of an alien world's size

Solved: mysteries of a nearby planetary systems' dynamics

Probing exoplanet interiors through lab simuations

Eight new planets found in Goldilocks' zone

Titan offers clues to atmospheres of hazy planets

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

Planetary atmospheres a key to assessing possibilities for life

First robotic telescope for planet hunters    JPL's PlanetQuest - search for another Earth

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

The alien world of Super Earths    'Super-Earths' may have oceans and continents

'Super-Earths' may be dead worlds   Don't forget F-type stars in search for life

Scientists unlock riddle behind planet orbiting two stars

ALMA discovers formation site of a giant planetary system  

Search for habitable planets should be more conservative

Kepler telescope bags huge haul of planets

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

Hubble to reveal cloudy weather on alien world 

Using an atmosphere to weigh a planet 

Cloud modeling expands estimate of life-supporting planets

Scientists generate first map of clouds on an exoplanet

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

A brighter method for measuring the surface gravity of distant stars

Greenhouse Effect Could Extend Habitable Zone    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   

New conditions for life on other planets

Planetary Habitability Catalog   Planetary Habitability Laboratory

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


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

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?  

Exocomets may be as common as exoplanets   

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    Looking for Earths by looking for Jupiters

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

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

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

Astronomers Find Elusive Planets in Decade-Old Hubble Data

NASA's Kepler announces 11 planetary systems hosting 26 planets

Big weather on 'hot Jupiters'

Temporal variations in the evaporating atmosphere of exoplanet HD 189733b

Evidence for disintegration of KIC 12557548 b

When stellar metallicity sparks planet formation

The Diamond Planet      

Giant Super-Earths made of diamonds are possible

Nearby super-Earth likely a diamond planetDiamond 'Super-Earth' may not be quite as precious