An element that's rare on Earth is found far, far away
Tellurium detected for the first time in ancient stars.
3 Questions: Sara Seager on discovering a trove of new planets
NASA’s Kepler orbiting telescope has found hundreds of new possible planets, including 54 in the so-called 'habitable zone.'
Explained: Transiting exoplanets
How astronomers learn whether a planet is habitable by observing slight changes in light emanating from its parent star.
And then there was light
Astronomers probe ancient radio waves for clues about the universe’s first light.
The final frontier
Now that an Earthlike planet has been discovered, the key to confirming that it can host life will be to study its atmosphere in detail
Learning from hot Jupiters
By studying how massive planets may have formed, MIT astrophysicist sets the stage for studying smaller, more Earthlike planets.
Building a list of Earth candidates
MIT researchers increase their odds of detecting an Earthlike planet by working on a combination of satellite missions.
Astronomers detect first carbon-rich exoplanet
Discovery opens door to new class of exoplanets, including rocky planets rich in diamond and graphite.
Explained: the Doppler effect
The same phenomenon behind changes in the pitch of a moving ambulance’s siren is helping astronomers locate and study distant planets.
In a first, astronomers detect strong winds on an exoplanet
Researchers see tempestuous atmosphere on a planet located 150 light years from Earth.
Coordinated stargazing
MIT astronomer leads the first team to study a Kuiper Belt object during a stellar occultation.
In the search for Earthlike exoplanets, GJ 436b has much to tell us
First detailed analysis of the atmosphere of a Neptune-sized planet reveals surprisingly low methane levels, presents "new territory" for researching planets outside our solar system
A massive star is born
Time-lapse movie shows that massive stars — which may hold clues about the origins of life — form like their smaller siblings.