Search for Life Archive
07 January 2014, 06:00 AM ET
Five rocky planets are among a slew of newly discovered alien worlds found by NASA's prolific Kepler spacecraft.
06 January 2014, 06:29 PM ET
Were life's origins aided by the impacts of asteroids and comets?
06 January 2014, 03:37 PM ET
There's a new kind of planet to add to Kepler's cornucopia of alien worlds, and you won't find it in Earth's own solar system. Many of the newfound orbs, described here today (Jan. 6) at a meeting of the American Astronomical Society, have a rocky core.
06 January 2014, 02:16 PM ET
The exoplanet candidate KOI-314c, which lies about 200 light-years away, is roughly as massive as Earth but is 60 percent larger, thanks to an extremely thick atmosphere, researchers said.
04 January 2014, 11:14 PM ET
What was your favorite space news story of the last week?
04 January 2014, 12:42 PM ET
From astronauts wishing Earth a happy New Year from space to jaw-dropping views of Saturn, don't miss these amazing space images of the week for Jan. 4, 2014.
02 January 2014, 07:00 AM ET
Scientists have found evidence of extraterrestrial clouds blanketing two of the most common types of planets in our Milky Way galaxy. One of the alien planets is a so-called 'super-Earth' while the other has been dubbed a 'warm Neptune.'
01 January 2014, 01:11 PM ET
See amazing images of the night sky and cosmos in SPACE.com's gallery of cosmic images posted in December 2013.
28 December 2013, 08:57 PM ET
What was your favorite space news story of the last week?
28 December 2013, 08:24 PM ET
From photos of rare noctilucent clouds to images from a vital holiday spacewalk, don't miss these amazing space images of the week for Dec. 28, 2013.
28 December 2013, 02:00 PM ET
From extrasolar planets to extraterrestrial neutrinos, these scientific findings have made sure that 2013 has been an unforgettable year.
26 December 2013, 12:55 PM ET
Here's a list of the top alien planet finds of 2013, from a tiny world about the size of Earth's moon to a blue gas giant on which it rains molten glass.
20 December 2013, 09:50 AM ET
Mars One is gearing up to send an unmanned lander to Mars that would be based on NASA's Phoenix lander. The craft will include a water extraction experiment and other demonstration technologies that will be needed for human settlement on Mars.
19 December 2013, 02:10 AM ET
During a live webcast beginning at 7:30 p.m. EST tonight, author David Aguilar will discuss his new children's book, which imagines what aliens inhabiting certain known exoplanets might look like.
17 December 2013, 07:02 AM ET
Scientists have found organics from Earth's swamp trapped inside of glass created by a meteor impact almost a million years ago. The tiny pockets, only micrometers across, contain material such as cellulose and proteins.
15 December 2013, 04:18 PM ET
What was your favorite space news story of the last week?
15 December 2013, 02:54 PM ET
From amazing photos of the “Jade Rabbit” rover basking in Lunar Bay of Rainbows to stunning images of the Geminid meteor shower, don't miss these amazing space images of the week for Dec. 15, 2013.
13 December 2013, 03:50 PM ET
Scientists have detected transient plumes of water vapor erupting from Europa's south pole. The moon is thought to contain a subsurface ocean, and the geysers represent a way to sample this potentially life-supporting environment.
12 December 2013, 11:01 AM ET
Jupiter's icy moon Europa may spout giant geysers of water 20 times higher than Mt. Everest from the moon's southern pole, Hubble Space Telescope images suggest. If these giant waterspouts are confirmed, they could be a way to detect signs of any life tha
11 December 2013, 01:45 PM ET
A new analysis from NASA scientists suggests that a 'spectacular' space rock collision may have delivered clay-like minerals to Jupiter's icy moon Europa.The finding raises the possibility that Europa may be home to organic compounds.
11 December 2013, 01:00 PM ET
Earth's place in the solar system is just right. It's not too hot, like Venus, and it's not too cold, like Mars, and this "goldilocks zone" of habitability around other stars like the sun just might be bigger than thought, scientists say.
10 December 2013, 11:00 AM ET
Life on Earth or Mars could have been brought to the moons of Jupiter or Saturn on rocks blasted off those planets, researchers say.
09 December 2013, 12:01 PM ET
A mission consisting of a 180-day cruise to Mars, a 500-day stay on the Red Planet and a 180-day return flight to Earth would expose astronauts to a cumulative radiation dose of about 1.01 sieverts, Curiosity's measurements suggest.
09 December 2013, 12:01 PM ET
NASA's Curiosity rover has found evidence of an ancient Martian lake that could have supported life for perhaps millions of years. This lake likely existed 3.7 billion years ago, suggesting that Mars was habitable more recently than thought.
08 December 2013, 02:38 PM ET
What was your favorite space news story of the last week?
08 December 2013, 01:06 PM ET
From an amazing video of the mysterious six-sided vortex spinning around Saturn's north pole to some stunning photos of Comet Lovejoy C/2013 R1, don't miss these amazing space images of the week for Dec. 8, 2013.
06 December 2013, 10:20 AM ET
An enormous alien planet — one that is 11 times more massive than Jupiter — was discovered in the most distant orbit yet found around a single parent star.
05 December 2013, 03:20 PM ET
For thousands of years, humans have been wondering whether there's life elsewhere in the universe. Now, the technology finally exists to search for it.
05 December 2013, 08:00 AM ET
A proposed new mission for Kepler — whose original exoplanet hunt stalled this past May when the second of its four orientation-maintaining reaction wheels failed — has advanced to a NASA vetting stage called "senior review," agency officials announced to
03 December 2013, 02:54 PM ET
The five exoplanets are all scorching-hot, Jupiter-size worlds that are unlikely to host life as we know it. But finding water in their air still marks a step forward in the search for planets that may be capable of supporting alien life.
03 December 2013, 12:57 PM ET
Want to know where to find Venus and Jupiter in the morning or the double star in Cassiopeia. Check out the Hubblesite's latest guide to the best places to look in the night sky. Telescopes are just one click away - Click the blue 'SHOP' link above.
03 December 2013, 07:27 AM ET
Over the past few years, astronomers have found super-Earth planets orbiting different types of stars. One scientist has reviewed the latest discoveries for insight into how these planets form and whether such worlds could be habitable.