space

Search For Life

Alien Planet Kepler-186f: Complete Coverage of 'Earth Cousin' Discovery
This diagram shows the position of Kepler-186f in relation to Earth.
April 18th, 2014
On Thursday (April 17), NASA announced the historic discovery of Kepler-186f, an Earth-size alien planet 490 light-years from our own world that is located inside the habitable zone of its star. See Space.com's complete coverage of the Kepler-186f find.
Read More »
Cousin of Earth: Planet Kepler-186f May Be Habitable for Life (Op-Ed)
This diagram shows the position of Kepler-186f in relation to Earth.
April 17th, 2014
It's the brass ring that teams of astronomers from hither to yon have tried to grab: Discovering a planet that sports an environment similar to our own. Finding Earth's cousin. And now, a team of researchers may have done it.
Read More »
Weird 'UFO' Light on Mars May Just Be a Shiny Rock, NASA Says (Video)
Flash of Light Spotted on Mars Close-Up
April 8th, 2014
Though UFO enthusiasts may beg to differ, mission team members say that a bright flash of light visible in two images taken by the Curiosity rover on April 2 and April 3 almost certainly has a perfectly ordinary explanation.
Read More »
Next Up for NASA's Planet-Hunting Kepler Telescope: Finding Earth's True Twin?
This artist illustration shows what it might be like to stand on the surface of the planet Kepler-186f, the first-ever Earth-size planet to be found in the habitable zone of its star.
April 18th, 2014
The discovery of Kepler-186f still falls short of the ultimate prize in exoplanet science: a true "alien Earth." But the first such world may lurk in the data already gathered by NASA's Kepler space telescope, just waiting to be pulled out.
Read More »
5 Exoplanets Most Likely to Host Alien Life
Potential Habitable Exoplanets
April 17th, 2014
A look at the five exoplanets most likely to host life as we know it, a list topped by the newfound Earth-size world Kepler-186f.
Read More »
Search for Life on Mars with Earthwatch This April Fools' Day
Earthwatch Institute Search for Life on Mars
April 1st, 2014
Calling all space cadets: Earthwatch wants volunteers to help search for life on Mars in what has to be the most entertaining April Fools' joke you'll see this year.
Read More »
What Would A Rocky Exoplanet Look Like? Atmosphere Models Seek Clues
Sunrise Over CoRoT-7b Illustration
March 12th, 2014
When a distant planet appears as a point of light in a telescope, it's hard to imagine what things are like at the surface. Does rain fall? Is the atmosphere thick, or dissipating into space? How constant is the sunlight on its surface?
Read More »
'Earth Cousin' Discovery a Milestone in Search for Alien Life
This artist illustration shows the planet Kepler-186f, the first Earth-size alien planet discovered in the habitable zone of its star.
April 17th, 2014
The discovery of the exoplanet Kepler-186f further bolsters the emerging view that Earth is not such a unique place, and that habitable environments may be widespread throughout the galaxy, experts say.
Read More »
NASA Will Unveil New Discovery from Planet-Hunting Kepler Telescope Today @ 2pm ET
Kepler Spacecraft to Hunt Earth-Like Worlds
April 17th, 2014
NASA will announce a new discovery by its planet-hunting Kepler space telescope today, and you can following the unveiling live online. Space agency officials and scientists will host a live news teleconference at 2 p.m. EDT (1800 GMT).
Read More »
Studies of Extreme Earth Life Can Aid Search for Alien Lifeforms, Scientists Say
Newfound 'Super-Venus' Kepler-69c
March 27th, 2014
Until we understand the limits of life, it will be difficult to determine if alien planets can host any lifeforms, scientists said at a conference Monday (March 17).
Read More »