30 June 2015, 07:00 AM ET
Observations by NASA's MAVEN Mars orbiter suggest that shooting stars lit up the Red Planet's skies after the close flyby of Comet Siding Spring this past October.
26 June 2015, 12:09 PM ET
Barren wastelands are not as barren as they first appear.
25 June 2015, 06:55 PM ET
The next couple of decades could see astronauts go to many places: an asteroid, the moon, even Mars. But the current spacesuits used on the International Space Station will likely need replacing to get those exploration jobs done.
25 June 2015, 04:23 PM ET
The space agency will hold a workshop in Houston this October to kick off serious discussions about possible landing sites for NASA's first manned mission to the Red Planet, which the agency aims to launch by the mid- to late 2030s.
25 June 2015, 07:00 AM ET
The extreme environments of Earth could serve as a time machine to Mars' past, showing us how microbial life could have coped with the changes on the red planet.
24 June 2015, 05:00 PM ET
On the surface of Mars, researchers have identified deposits of impact glass created in meteorite collisions, which could potentially hold signatures of life.
24 June 2015, 07:00 AM ET
While previous research had confirmed the presence of beautiful "southern lights" on Mars, the new study predicts for the first time that the auroras of the Red Planet may be visible to the human eye.
23 June 2015, 07:05 PM ET
Astromice are helping people chart the course to Mars, and revealing that voyage's risks.
23 June 2015, 07:00 AM ET
During its 13.5 years in orbit, Mars Odyssey has spotted the first evidence of water ice on Mars, mapped the entire Red Planet surface in vivid detail, and coordinated the Spirit, Opportunity and Curiosity rovers' communications with Earth.
21 June 2015, 11:33 AM ET
Crashed comet lander Philae phones home. A dead satellite falls to Earth. Mars shows both methane-laced meteorites and a possibly icy past, and the moon's dust gets a source in the best of this week's space news.
19 June 2015, 06:59 AM ET
It's New Year's Day on the Red Planet today and NASA is celebrating in style with an epic three-day party in Mars itself … Mars, Pennsylvania, that is.
18 June 2015, 06:40 AM ET
Ancient Mars could have looked more like an icy snowball than the warmer, wetter planet that many researchers have suggested, according to a new study.
17 June 2015, 04:00 PM ET
The space-funding company Uwingu is offering a deal: Name a Red Planet crater between now and Father's Day (June 21) and receive a decorative certificate, either a downloadable digital version or a printed and framed one.
16 June 2015, 11:01 AM ET
Methane, a potential sign of primitive life, has been found in meteorites from Mars, adding weight to the idea that life could live off methane on the Red Planet, researchers say.
09 June 2015, 04:10 PM ET
The 100-foot-wide parachute unfurled well and apparently inflated fully, or nearly fully, Monday before being ruptured by the fast-rushing air during the second flight test of NASA's Low-Density Supersonic Decelerator project.
08 June 2015, 01:49 PM ET
The space agency's Low-Density Supersonic Decelerator (LDSD) test vehicle launched today (June 8) from the Pacific Missile Range Facility on the Hawaiian island of Kauai at 1:45 p.m. EDT (1745 GMT; 7:45 a.m. local time in Hawaii).
08 June 2015, 01:08 PM ET
The first official trailer for Ridley Scott's "The Martian" was released today (June 8), and it's a doozy, packing gorgeous vistas of the Red Planet, intricately rendered spaceships and some laughs into three dramatic minutes.
07 June 2015, 10:00 AM ET
Scientists announced surprising discoveries about Pluto's moons, a spacecraft beamed home amazing images taken from a comet's surface, and the United Arab Emirates outlined its bold Mars plans. Here's a look at Space.com's top stories of the week.
05 June 2015, 12:45 PM ET
The United Arab Emirates' UAE Space Agency is aiming to launch its first mission to Mars by 2021, and has unveiled a full strategy for space exploration.
05 June 2015, 11:20 AM ET
Engineers are looking to automate some of the simple decision-making steps undertaken by Mars rovers and orbiters, which could dramatically improve the science they are able to perform in the search for habitable environments.
05 June 2015, 07:50 AM ET
From June 7 through June 21, Mars will be behind the sun from Earth's perspective. This geometry makes radio communications between the two planets difficult, so engineers won't send commands to NASA's Mars spacecraft during this stretch.
04 June 2015, 07:00 AM ET
NASA could land astronauts on the Red Planet by 2039 without breaking the bank, provided the space agency takes a stepwise approach that includes a manned 2033 trip to the Mars moon Phobos, according to the research.
03 June 2015, 07:38 AM ET
The space agency's Low-Density Supersonic Decelerator test vehicle is scheduled to launch from the Hawaiian island of Kauai no earlier than 1:30 p.m. EDT on Monday (June 8), borne aloft by a giant balloon. You can watch the test live here at Space.com.
03 June 2015, 06:06 AM ET
Hardy life-forms known as cyanobacteria convert sunlight to energy despite the fact that they often live in shadow. What can the adaptability of these microbes tell scientists about the possibility of life on Mars?
02 June 2015, 06:00 AM ET
NASA Administrator Charles Bolden said he'd like to cut in half the travel time required to send astronauts to Mars. Doing so will require advanced propulsion technologies — including, perhaps, nuclear rockets, Bolden said.
30 May 2015, 11:13 AM ET
From a nebula's crimson heart to a dragon's-eye view, don't miss these amazing space images of the week for May 31, 2015.
28 May 2015, 05:45 PM ET
NASA has awarded prize money to five members of the public for their ideas about how to limit astronauts' radiation exposure during journeys through deep space.
28 May 2015, 07:00 AM ET
Engineers at Lockheed Martin Space Systems have finished building NASA's InSight Mars lander and have begun testing the finished spacecraft, to make sure it can handle the rigors of launch and the harsh environment of deep space.
27 May 2015, 02:00 PM ET
Orbiting spacecraft of Mars have imaged over the past several years dark, finger-like features – now called 'recurring slope lineae' - or RSL for Martian short-hand. These dark flows have been observed at low and middle latitudes on Mars.
27 May 2015, 07:00 AM ET
NASA will launch a pair of tiny CubeSats toward the Red Planet in March 2016 to provide real-time landing coverage for the space agency's Mars InSight lander.
26 May 2015, 07:05 AM ET
Green rust could help living organisms on Mars extract energy from their environment. Scientists are working on ways of identifying green rust on the surface of the Red Planet.
25 May 2015, 09:00 AM ET
A scientist has raised questions about the latest detection of methane on Mars, suggesting that NASA's rover could be responsible for the mysterious burp. Highly unlikely, but not impossible, says the Curiosity team.
23 May 2015, 07:00 AM ET
The Curiosity team mapped out a new route to some interesting rocks using images captured by Curiosity and NASA's Mars Reconnaissance Orbiter, which has been circling the Red Planet since 2006.
21 May 2015, 09:19 AM ET
In situations where sunlight is not available, like shadowed craters, its been a challenge to supply power to spacecrafts, landers and rovers. The space agency is looking into nuclear systems as an alternative.
20 May 2015, 02:00 PM ET
A Swedish university student has created a design for an "International Flag of Planet Earth" that could be planted on planets during future human exploration. The banner depicts seven interlocked circles, symbolizing the unity of all people.
18 May 2015, 04:24 PM ET
An innovative concept for tiny probes attached to gliders could one day allow small robots to explore intricate locales on Mars that probes never could reach before, scientists say.