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LOOK: Year's Top Exoplanet Discoveries Include Some Pretty Freaky Places | Mike Wall | Posted 01.25.2014 | Science

While astronomers didn't bag that elusive first "alien Earth" in 2013, they made plenty of exciting exoplanet discoveries during the past year. Here'...

WATCH: New Study Yields Huge Surprise About Habitable Planets | Tanya Lewis | Posted 11.05.2013 | Science

Habitable alien planets similar to Earth may not be that rare in the universe, a new study suggests. About one in five sunlike stars observed by NASA...

DISCOVERED: Bizarre 'Tilt-A-Whirl' Solar System

natureheader | Ken Croswell | Posted 10.18.2013 | Science

Observations from NASA's Kepler spacecraft have uncovered a 'tilted' solar system, a finding that gives clues as to how some planets come to orbit the...

Discovering Nearby Worlds

Holly Henry | Posted 01.23.2014 | Science
Holly Henry

The holy grail of astrobiology, currently, lies in identifying Earth-sized worlds within the habitable zone of their star and with the possibility of an atmosphere that might support life.

Astronomers Tally HOW MANY Alien Worlds!? | Mike Wall | Posted 09.29.2013 | Science

Just two decades after discovering the first world beyond our solar system, astronomers are closing in on alien planet No. 1,000. Four of the five ma...

NASA Throws In The Towel | Posted 08.18.2013 | Science

CAPE CANAVERAL, Fla. -- NASA called off all attempts to fix its crippled Kepler space telescope Thursday. But it's not quite ready to call it quits on...

Big Glitch May Not Be Fatal To Celebrated Space Telescope | Mike Wall | Posted 07.15.2013 | Science

NASA's planet-hunting Kepler spacecraft should be able to achieve its primary mission goal regardless of whether or not it can bounce back from a rece...

Space Agency To Revive Planet-Hunting Probe | Mike Wall | Posted 07.08.2013 | Science

NASA will try to revive its ailing Kepler spacecraft this month in the hope of resurrecting a mission that has revolutionized the search for alien pla...

How Many Alien Planets Could Support Life? Study Yields HUGE New Estimate | Megan Gannon | Posted 07.02.2013 | Science

Though only about dozen potentially habitable exoplanets have been detected so far, scientists say the universe should be teeming with alien worlds th...

Prolific Planet-Hunting Space Probe Now Ailing

Posted 05.02.2013 | Science

By: Mike Wall Published: 05/01/2013 10:01 AM EDT on Health issues are jeopardizing the planet-hunting work of NASA's prolific Kepler spa...

Odd Space Objects Could Be New Type Of Planet

| Posted 03.15.2013 | Science

By Davide Castelvecchi and Nature magazine Mysterious dense bodies outside the Solar System could be the remnants of ice giants similar to Neptune t...

Celebrated Telescope Eyes Hundreds Of New Planet Candidates

The Huffington Post | Craig Kanalley | Posted 01.07.2013 | Science

NASA's Kepler mission has identified 461 new planet candidates, the space agency announced today. Four of the planet candidates orbit in their sun'...

Other Solar Systems: Flatter Than Pancakes but Thicker Than Crepes

Julia Fang | Posted 01.13.2013 | Science
Julia Fang

The best visualization for the flatness of planetary systems is that they are somewhere in between that of a pancake and that of a crepe. Gives food for thought next time you eat at your local IHOP.

Extraterrestrial Habitats: Yet More Good News

Seth Shostak | Posted 08.14.2012 | Science
Seth Shostak

Despite any inclination to believe yourself among the brightest bulbs around, new research indicates that even when the universe was considerably younger, there were heavy elements enough to spawn planets that could... spawn life.

They're Not Meat

Seth Shostak | Posted 03.28.2012 | Science
Seth Shostak

In a movie it's important to have aliens whose gestures and facial expressions can be "read" by humans. But come on! Are two eyes, four appendages and an upright posture really essential?

The Fabric of My Cosmos

Carolyn Bucior | Posted 03.21.2012 | Science
Carolyn Bucior

When I read last month that NASA's Kepler space telescope was allowing scientists to spy on a potentially habitable planet 600 light years away and co...

Backyard Astronomer Discovers New Planet

The Huffington Post | Travis Korte | Posted 01.19.2012 | Science

There are billions of planets in our galaxy, and a hot, Neptune-sized planet orbiting an ordinary star called SPH10066540 might not seem unusual, but ...

Timothy Stenovec

PHOTOS: NASA Makes 'Milestone' Discovery | Timothy Stenovec | Posted 12.21.2011 | Green

Scientists are one Earth-sized step closer to discovering a planet outside our solar system that could be suitable for life. In a study published o...

Scientists Discover Planet With Earth-Like Characteristics

The Huffington Post | Timothy Stenovec | Posted 12.06.2011 | Green

NASA announced Monday the discovery of Kepler-22b, the first planet the Kepler spacecraft has discovered in the habitable zone, an area with a distanc...

New Planet Discovered!

The Huffington Post | Timothy Stenovec | Posted 12.01.2011 | Technology

The National Optical Astronomy Observatory announced on Wednesday the discovery of Kepler-21b, a new planet that's close to the size of earth and is o...

NASA Makes 'Star Wars'-Like Discovery

The Huffington Post | Timothy Stenovec | Posted 11.15.2011 | Technology

NASA reported on Thursday the discovery of Kepler 16b, a planet with two suns that evokes images of Luke Skywalker's home planet, Tatooine, from the "...

First Planet Orbiting Two Stars Discovered by the NASA Kepler Spacecraft

SETI Institute | Posted 11.15.2011 | Technology
SETI Institute

By Dr. Laurance Doyle, an astrophysicist at the SETI Institute, and lead author of a paper that will appear in the journal Science on September 15, 20...

TrES-2b: Astronomers Discover Darkest Known Planet (VIDEO)

Posted 10.14.2011 | Technology

Astronomers peering into other galaxies have found something bizarre -- a black planet. NASA's Kepler spacecraft discovered TrES-2b, the darkest known...

Life at the SETI Institute: Jon Jenkins -- Turning Pixels Into Planets

SETI Institute | Posted 05.28.2011 | Technology
SETI Institute

After a starquake, says NASA's Dr. Jon Jenkins, "stars actually change their shape. This shape change causes an apparent change in brightness. As we study the brightness variations in time, we can essentially hear the songs of the stars."

A Bucketful of Worlds

Seth Shostak | Posted 05.25.2011 | Technology
Seth Shostak

It's raining planets. Members of the science team for NASA's Kepler telescope announced the tentative discovery of more than 1,200 worlds orbiting distant stars. Of these, approximately four dozen are candidates for being Earth's doppelgangers.