Search for Life Archive
03 April 2014, 02:01 PM ET
Enceladus' ocean is about 6 miles deep and lies beneath a shell of ice 19 to 25 miles thick. Further, it's in direct contact with a rocky seafloor, theoretically making possible all kinds of complex chemical reactions.
02 April 2014, 04:19 AM ET
Where are the aliens? That is the question that the Fermi Paradox seeks to answer. Given our solar system's relatively young age, the theory says that aliens should have visited us already.
01 April 2014, 10:18 AM ET
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.
31 March 2014, 05:49 PM ET
Weather permitting, some of the best spring stargazing events could be readily visible without the aid of binoculars or a telescope, even from brightly-lit cities. But you'll need to know when and where to look to make the most of the season.
30 March 2014, 01:45 PM ET
What was your favorite space news story of the last week?
29 March 2014, 02:36 PM ET
From rings around an asteroid to a shimmering rainbow of colors captured on camera above Venus, don't miss these amazing space images of the week for March 29, 2014.
27 March 2014, 02:03 PM ET
On its Asteroid Redirect Mission, NASA hopes to 'encapsulate' an asteroid using a robot ship – and also remove a boulder – before bringing the mass in range of astronauts to perform some, yet unexplained, tasks.
27 March 2014, 11:55 AM ET
NASA's Asteroid Redirect Mission, to be performed by robots, may attempt to lift a piece of loose rubble from a massive Near Earth Asteroid and return it for analysis. Here is one way this might be done.
27 March 2014, 10:00 AM ET
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).
26 March 2014, 03:55 AM ET
The Drake Equation is used to estimate the number of communicating civilizations in the cosmos, or more simply put, the odds of finding intelligent life in the universe.
24 March 2014, 07:00 AM ET
A flower-shaped spacecraft may help scientists see Earth-like alien worlds like never before. Called a 'starshade,' the huge, sunflower-like spacecraft would deploy to its full size in space, blocking the light of distant stars.
23 March 2014, 12:32 PM ET
What was your favorite space news story of the last week?
22 March 2014, 01:27 PM ET
From stunning 3D Views of the universe to an HD moon map revealing a lunar North Pole like never before, don't miss these amazing space images of the week for March 22, 2014.
18 March 2014, 03:44 PM ET
This color picture of the Martian horizon was taken by Viking 1 on July 24, 1976.
16 March 2014, 10:00 AM ET
Are we alone in the universe? The ultimate question of life beyond Earth and the solar system takes center stage in a science conference led by the Vatican Observatory and a University of Arizona this week.
16 March 2014, 12:10 AM ET
What was your favorite space news story of the last week?
15 March 2014, 11:37 PM ET
From a blindingly-bright fireball blazing across an aurora-filled sky to amazing views of our planet tweeted by astronauts, don't miss these amazing space images of the week for March 16, 2014.
12 March 2014, 07:00 AM ET
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?
08 March 2014, 04:16 PM ET
What was your favorite space news story of the last week?
08 March 2014, 01:17 PM ET
From a disintegrating asteroid to space junk cleanup, don't miss these amazing space images of the week for March 8, 2014.
08 March 2014, 09:31 AM ET
See NASA's schedule of events and exhibits at the annual SXSW festival in Austin, Texas, in this announcement from the space agency. Let
07 March 2014, 03:40 PM ET
A new study indicates that the entry, descent and landing of SpaceX's unmanned Dragon capsule at Mars is viable. Moreover, the capsule's descent technique would help set the stage for future human missions to the Red Planet.
07 March 2014, 02:34 PM ET
A look at the "Red Dragon" mission concept, which would use SpaceX's Dragon capsule and Falcon Heavy rocket to bring Red Planet samples — perhaps gathered by NASA's 2020 Mars rover — to Earth.
07 March 2014, 12:50 PM ET
An enormous belt of carbon monoxide gas lies in the disk of debris surrounding Beta Pictoris, a young star 63 light-years from Earth. The source of the gas is probably comets, which may have been trapped there by a big alien planet.
05 March 2014, 11:00 AM ET
NASA unveiled its 2015 budget request on Tuesday (March 4), a $17.5 billion spending plan that would maintain the space agency's major ongoing missions. See Space.com complete coverage of NASA's 2015 budget request here:
05 March 2014, 01:00 AM ET
The White House's 2015 federal budget request, which was released Tuesday, allocates $15 million to help develop a mission to Europa, which harbors a potentially life-supporting ocean of liquid water beneath its icy shell.
04 March 2014, 06:54 PM ET
If scientists do find life on Mars, it may be possible to beam Martian DNA back to Earth, according to a new idea growing in popularity. If Martian bugs can be found, the idea of "faxing" life from Mars is an enticing prospect.
04 March 2014, 06:07 PM ET
NASA unveiled its 2015 budget request on Tuesday (March 4), a $17.5 billion spending plan that would maintain the space agency's major ongoing missions, while supporting ambitious new science missions. See reactions to the new NASA budget.
04 March 2014, 03:05 PM ET
NASA unveiled its 2015 budget request today (March 4), a request that seeks $17.5 billion for the agency. See NASA chief Charles Bolden's view of the agency's 2015 budget plan.
04 March 2014, 01:08 PM ET
NASA's 2015 budget would remain essentially flat at $17.5 billion under a White House spending proposal unveiled today (March 4). It maintains the agency's biggest space programs, lays groundwork for major new astrophysics and planetary science.
04 March 2014, 11:04 AM ET
The late astronomer Carl Sagan has inspired scientists, astronauts and the world with his work popularizing science and astronomy. See the long-lasting legacy of Sagan, an astronomy educator for the ages, in this Space.com gallery.
04 March 2014, 07:00 AM ET
The detection of eight new planet candidates implies that virtually all red dwarfs throughout the galaxy have planets, and at least 25 percent of these stars in the sun's own neighborhood host habitable-zone "super-Earths," researchers said.