Search for Life Archive
13 August 2014, 05:30 PM ET
These shots of the Martian surface from orbit show our planetary neighbor as never before.
13 August 2014, 11:01 AM ET
Chemicals once found in hairspray may serve as signs of alien life on faraway worlds, researchers say. These compounds may reveal that extraterrestrials have disastrously altered their planets.
12 August 2014, 09:09 PM ET
While alien life can be seen nightly on television and in the movies, it has never been seen in space. Not so much as a microbe, dead or alive, let alone a wrinkle-faced Klingon.
07 August 2014, 07:01 AM ET
Alien planets could host life well into their old age if they have companion worlds tugging at them, researchers say.
06 August 2014, 06:40 AM ET
“Are we there yet?” Excerpted from ESA’s live broadcast during the tense moments leading up to confirmation of a successful rendezvous, here’s a brief history of the Rosetta Mission; a brilliant success 20 years in the making.
06 August 2014, 06:19 AM ET
“We’re there!” Excerpted from ESA’s live broadcast, this was the moment on 6 August 2014 when the Rosetta Mission team learned their spacecraft had successfully achieved a meet-up with comet 67P Churyumov-Gerasimenko
04 August 2014, 03:01 PM ET
In the future, astronomers could detect hints of alien life by scanning the atmospheres of distant worlds, researchers say. Such work would require the development and launch of big, sophisticated new space telescopes.
04 August 2014, 07:00 AM ET
NASA's Mars rover Curiosity marks two years on Mars Tuesday (Aug. 5). The rover's first two years have been full of big finds, and researchers are eager to see what Curiosity finds when it scales the foothills of the towering Mount Sharp.
02 August 2014, 10:43 PM ET
What was your favorite space news story of the last week?
02 August 2014, 03:02 PM ET
From weird orbits of alien planets to a gecko-filled space capsule, don't miss these amazing space images of the week for Aug. 2, 2014.
01 August 2014, 12:47 PM ET
Most people know that the moon orbits the Earth once a month, but they typically have no visual confirmation of this motion. Over the next week, skywatchers have the chance to see moon's motion with their own eyes.
01 August 2014, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in July 2014.
31 July 2014, 03:24 PM ET
NASA's Mars 2020 mission will send a car-size rover to the Red Planet to collect samples. See how the Mars 2020 rover will work in this Space.com infographic.
31 July 2014, 02:41 PM ET
See photos and images of NASA's next Mars rover, a 1-ton robot launching toward the Red Planet in 2020.
30 July 2014, 07:29 PM ET
Space agency officials will reveal the science gear they've chosen for the rover, which will launch toward the Red Planet in 2020, on Thursday at 12 p.m. EDT. You can watch the announcement live here at Space.com, courtesy of NASA TV.
29 July 2014, 07:17 AM ET
The icy Saturn moon Enceladus sports at least 101 geysers, which reach all the way down to the satellite's subsurface ocean, new research suggests.
27 July 2014, 10:00 AM ET
The environment can produce sudden shocks to the life of our planet through impacting space rocks, erupting volcanoes and other events.
25 July 2014, 04:04 PM ET
From a look again at the first footprints on the moon to the ISS view of Gaza, don't miss these amazing space images of the week for July 26, 2014.
24 July 2014, 02:44 PM ET
The cloudier an alien planet is, the closer it can get to its star and still remain potentially life-friendly, researchers say. See what it means for life on planets even as hellish as Venus.
22 July 2014, 07:01 AM ET
The newly discovered exoplanet Kepler-421b — which crosses the face of, or transits, its host star from Earth's perspective — takes 704 days to complete one orbit. Thus, it has the longest year known for any transiting alien world.
20 July 2014, 09:01 AM ET
Space.com was founded on July 20, 1999 on the 30th anniversary of NASA's Apollo 11 moon landing. Here, managing editor Tariq Malik recounts the last 15 years of Space.com, and the wonder of it all.
20 July 2014, 12:57 AM ET
What was your favorite space news story of the last week?
19 July 2014, 12:31 PM ET
From a cosmic rubber ducky to an experimental space plane, don't miss these amazing space images of the week for July 19, 2014.
17 July 2014, 03:48 PM ET
Imaged on 14 July 2014 by OSIRIS, Rosetta’s scientific imaging system, this movie compiles 36 interpolated images each separated by 20 minutes, providing a 360° preview of the complex shape of the comet.
16 July 2014, 01:00 PM ET
NASA has issued an open call for designs of scientific instruments to send on a future mission to explore Jupiter's moon Europa.
15 July 2014, 07:00 AM ET
While NASA's James Webb Space Telescope will be capable of finding signs of life on nearby exoplanets after its 2018 launch, a bona fide hunt for aliens beyond Earth's neighborhood will require even bigger instruments, experts say.
13 July 2014, 06:07 AM ET
What was your favorite space news story of the last week?
11 July 2014, 09:41 PM ET
From flaming rocket debris to a typhoon's eye, don't miss these amazing space images of the week for July 11, 2014.
09 July 2014, 04:52 PM ET
Do you want to help name an alien planet? Starting next year, space fans around the world will get the chance to vote on their favorite names for exoplanets and the planets' host stars.
08 July 2014, 02:05 PM ET
The 30-minute webcast, which is called "Spotlight Live: The Hunt for Other Worlds Heats Up," begins at 3:00 p.m. EDT Wednesday. You can watch it live here on Space.com, courtesy of the nonprofit Kavli Foundation, which is hosting the discussion
07 July 2014, 02:52 PM ET
An incredibly detailed new map of Mars' southern highlands shows how profoundly liquid water sculpted the region long ago, especially two canyon systems known as Waikato Vallis and Reull Vallis.
07 July 2014, 07:35 AM ET
'Active SETI' sounds like science fiction, but some astronomers are discussing it seriously today. The idea is a controversial, hot-button issue, with some researchers wary of sending signals out to touch base with intelligent aliens.