Search for Life Archive
14 August 2013, 12:22 AM ET
Is there life on Europa, Jupiter's moon? Perhaps — but researchers may not know for years, or even decades, depending on the outcome of wars over NASA's budget that broke out before Congress went home for its August recess. Here is why.
13 August 2013, 12:00 PM ET
A hot alien planet that's as big as Jupiter and cobalt blue in color has been spotted crossing in front of its parent star in the X-ray spectrum — a first for scientists. Researchers have seen such eclipses in optical light for nearly 20 years.
12 August 2013, 03:37 PM ET
If humanity hopes to establish a lasting presence on Mars, it will have to learn to live off the land. Ambitious exploration efforts have always aimed for self-sufficiency, but the need is especially acute when "the new world" is another planet.
11 August 2013, 09:08 AM ET
What was your favorite space news story of the last week?
10 August 2013, 07:00 AM ET
From NASA's 1970s visions of a space colony to a mock Mars mission and views of lightning from space, don't miss these amazing space photos of the week for Aug. 10, 2013.
08 August 2013, 08:00 AM ET
The top priority of a lander mission to Jupiter's potentially life-supporting moon Europa should be investigating the composition and chemistry of its subsurface ocean, scientists say. It should also study the dynamics of the moon's ice shell.
07 August 2013, 07:00 AM ET
It’s been a year since NASA's Curiosity rover touched down on Mars, and the mission's science and engineering teams celebrated the occasion in style here at NASA's Jet Propulsion Laboratory on Monday (Aug. 5).
07 August 2013, 07:00 AM ET
NASA is asking scientists for ideas about new ways to use its Kepler space telescope, whose planet-hunting mission was stalled by a malfunction three months ago. The space agency issued a call for new mission proposals on Friday (Aug. 2).
06 August 2013, 03:33 PM ET
In its first year on Mars, NASA's Curiosity rover has made discoveries that should help pave the way for human missions to the Red Planet in the next few decades. The robot's landing success and radiation measurements should be key, Charles Bolden said.
06 August 2013, 12:24 PM ET
NASA’s Mars rover Curiosity landed on the Red Planet on Aug. 5, 2012 in a dazzling space engineering feat. One year later, the rover has found evidence that Mars was once habitable, had running water and more.
06 August 2013, 11:54 AM ET
At four times the size of Jupiter, this alien planet may be huge, but it's the smallest photographed around a star like our sun. Bluer than expected, the exoplanet dubbed GJ 504b is likely pinkish to dark magenta in color.
06 August 2013, 11:32 AM ET
Astronomers have snapped a picture of the smallest alien planet yet found around a star like our sun using a technique to photograph exoplanets directly from Earth. Bluer than expected, the gas planet would be the color of a "dark cherry blossom."
06 August 2013, 07:00 AM ET
Grotzinger, a geologist at the California Institute of Technology in Pasadena, discusses the highlights of Curiosity's mission so far, what the rover may discover in the future and why it didn't set out for its main destination right away.
05 August 2013, 12:43 PM ET
NASA is marking the Curiosity rover's first year on Mars with a commemorative medal minted from metal used in the engineering of the robot explorer. The 1-ton, six-wheeled rover landed in Mars' Gale crater on the night of Aug. 5, 2012.
05 August 2013, 07:00 AM ET
One year ago today, Curiosity survived its harrowing and unprecedented landing, setting off a series of celebrations around the world. The robot has since helped scientists determine that Mars could have supported microbial life long ago.
04 August 2013, 11:32 AM ET
What was your favorite space news story of the last week?
01 August 2013, 03:25 PM ET
What is life? In this interview, Gerald Joyce of the Scripps Research Institute reveals why it’s been so hard for scientists to come up with a definition that encompasses the multiple dimensions of life as we know it.
01 August 2013, 02:34 PM ET
Scientists are eager to learn if Europa's huge subsurface ocean harbors alien life. See how Europea's frozen surface covers a suspected vast ocean of water that could be a home for microbial life. This SPACE.com infographic shows how.
01 August 2013, 12:01 AM ET
See amazing images of the night sky and cosmos in SPACE.com's gallery of cosmic images posted in July 2013.
31 July 2013, 01:44 PM ET
Future life-seeking missions on other worlds may be in for a tough time if all evidence of past or present life is below the surface. Researcher Jan Amend is studying microbes that live underground on Earth.
29 July 2013, 07:00 AM ET
What was your favorite space news story of the last week?
25 July 2013, 05:27 PM ET
A new book celebrates the past and future of human exploration of the cosmos. "New Frontiers of Space" explores the most important people and breakthroughs in space science and spaceflight today.
25 July 2013, 09:15 AM ET
A new study takes a deeper look into the fate of life-permitting water on Earth-like planets around red dwarf stars, the most common stars in the universe.
25 July 2013, 06:30 AM ET
NASA's Kepler spacecraft is unlikely to bounce back completely from the malfunction that stalled its planet-hunting efforts two months ago, mission officials say. The prolific observatory may still be able to do exoplanet science, but not the way it used
24 July 2013, 02:28 PM ET
A new photo by NASA's sharp-eyed Mars Reconnaissance Orbiter shows the agency's Curiosity rover wrapping up work near its landing site before beginning the long trek to the huge and mysterious Mount Sharp, its ultimate science destination.
24 July 2013, 06:00 AM ET
NASA's Mars rover Curiosity is really starting to stretch its legs on the Red Planet. The 1-ton robot made by far the longest drive of its nearly year-long surface mission on Sunday, traversing 329 feet of Martian terrain.
21 July 2013, 12:35 AM ET
What was your favorite space news story of the last week?
20 July 2013, 10:40 AM ET
From a engine part recovered from Apollo 11 to an experiment that burns a flame in space, don't miss these amazing space photos of the week.
18 July 2013, 07:01 AM ET
Did life on Earth originate on Mars? Or did Earth dispatch life to Mars during an exchange of meteorites between both planets more than 3.5 billion years ago?
17 July 2013, 07:00 AM ET
Evidence continues to mount that a huge ocean covered much of the surface of Mars billions of years ago. Scientists have spotted what appears to be an ancient river delta, which may have emptied into a vast ocean that inundated up to one-third of the Red
16 July 2013, 12:57 PM ET
The gas giant planet Neptune in our solar system has 14 known moons, including the strange backwards-orbiting Triton. See how Neptune's moons orbit the giant blue planet, and what we know about the Neptunian satellites in this infographic.
16 July 2013, 07:00 AM ET
Four billion years ago, Mars had abundant water and a substantial atmosphere. Life could have evolved there, but its reign would have been short. See how scientists are planning to seek out signs of past or present life on Mars.