04 September 2013, 03:55 PM ET
This space wallpaper is a comparison of how big the moons of Mars appear to be, as seen from the surface of Mars, in relation to the size that Earth's moon appears to be when seen from the surface of Earth.
30 August 2013, 11:14 AM ET
This space wallpaper shows part of a set of three images revealing views three seconds apart as the larger of Mars' two moons, Phobos, passed directly in front of the sun as seen by NASA's Mars rover Curiosity.
29 August 2013, 01:40 PM ET
NASA's Mars rover Curiosity has captured the sharpest-ever images of a solar eclipse as seen from the Red Planet. The 1-ton robot snapped pictures as Phobos, the larger of Mars' two tiny moons, blotted out much of the solar disk on Aug. 20.
29 August 2013, 08:20 AM ET
The 1-ton Curiosity rover used autonomous navigation for the first time on Tuesday. The robot will likely use this "autonav" capability more and more as it continues the long trek toward the base of Mars' huge Mount Sharp, NASA officials said.
15 August 2013, 05:57 PM ET
Curiosity snapped the 41 images that comprise the 30-second video on Aug. 1, becoming the first robot ever to capture a view of the two satellites — called Phobos and Deimos — eclipsing each other from the Martian surface.
15 August 2013, 05:14 PM ET
The Mars Science Laboratory used its Mast Camera to photograph the larger moon Phobos occult the smaller Deimos. 41 images taken on Aug. 1st, 2013 are compiled and time-lapsed (real-time was 55 seconds).
07 August 2013, 01:42 PM ET
The Mars Science Laboratory team talks about what was exciting to them about year one on Mars and what the future has to offer.
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).
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, 07:00 AM ET
Today NASA marks the one-year anniversary of Curiosity's dramatic landing, and you can watch the celebrations online. NASA officials, rover team members and astronauts will discuss the mission in two events, starting at 10:45 a.m.
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, 06:05 PM ET
As NASA's Curiosity rover celebrates one year on Mars, the space agency has begun final preparations for the launch of its next Red Planet mission later this year. The MAVEN spacecraft arrived at NASA's Kennedy Space Center in Florida on Friday.
05 August 2013, 05:51 PM ET
In celebration of the Mars Science Laboratory's one year birthday on Mars, engineers at Goddard Space Flight Center used the Sample Analysis at Mars (SAM) instrument to play Happy Birthday to Curiosity.
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, 09:26 AM ET
The Mars Science Laboratory landed on the Red Planet on August 5th, 2012 (PDT). It went down a long road of testing and a long eight month flight to achieve its year one goals.
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.
02 August 2013, 05:36 PM ET
NASA's Mars Curiosity rover will mark its one-year anniversary on the Red Planet next week, and to celebrate the occasion, the space agency released a two-minute time-lapse video of the robot's first year of exploration.
01 August 2013, 02:32 PM ET
The Mars Science Laboratory landed on the Red Planet in August 2012. The imagery from August 2012 to July 2013, from the rover's Hazard-Avoidance camera, has been compiled to make this time-lapse.
31 July 2013, 03:43 PM ET
A gas planet about four times the size of Jupiter may be giant, but it's one of the smallest planets ever captured on camera, according to a new study.
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.
25 July 2013, 03:31 PM ET
NASA's Mars rover Curiosity is beaming home amazing photos of the Red Planet.
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, 01:50 PM ET
The Mars Reconnaissance Orbiter snapped imagery of the Mars Science Lab and the tracks its made on June 27th, 2013. The rover was studying its final Glenelg area target on the day of the photo-op.
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.
18 July 2013, 02:01 PM ET
Mars is not a nice place to live. New data collected by NASA's Mars rover Curiosity and studies of ancient Martian meteorites show that Mars' atmosphere probably hasn't changed very much in about 4 billion years.
18 July 2013, 07:00 AM ET
NASA's Mars rover Curiosity has notched a mileage milestone, reaching 1 kilometer (0.6 miles) of total driving distance as it heads toward a huge and mysterious Red Planet mountain. The 1-ton rover rolled past the mark on Wednesday, when a 125-foot (38 me
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.
16 July 2013, 07:00 AM ET
Finding life on Mars isn't easy. Scientists still haven't been able to detect a definitive sign that either single cellular or multicellular life once roamed the Red Planet.
15 July 2013, 05:24 PM ET
NASA's Mars rover Curiosity is pressing forward with an epic Red Planet road trip, a long-distance drive aimed at the central mountain of its landing site. Curiosity began its long drive July 4 and completed three separate trips in so far.
12 July 2013, 10:15 AM ET
NASA's Mars rover Curiosity has begun the long journey to the mission's main destination, Mount Sharp. See how it’s driving long hauls on Mars.
12 July 2013, 10:15 AM ET
A team of scientists and engineers gives proposals for NASA's 2020 Mars rover mission, a mission that will borrow the design of the 1-ton Curiosity and seek out ‘biosignatures’ on Mars.
09 July 2013, 09:55 AM ET
NASA will discuss plans for its Mars rover launching in 2020, a huge robot slated to borrow the design of the agency's Mars rover Curiosity. The rover is expected to lay the groundwork for future manned Mars missions.
08 July 2013, 08:11 PM ET
NASA's Mars rover Curiosity has set out on its first big road trip, a long journey that will traverse miles of Red Planet scenery over the course of a year or so. It's heading for the base of Mount Sharp, which lies about 5 miles away.
03 July 2013, 07:00 AM ET
The 30-second video shows the tiny moon Phobos climbing high into the Red Planet sky.
02 July 2013, 03:25 PM ET
The Mars Science Laboratory snapped imagery during a pass of the Martian moon shortly after sunset. Twenty seven minutes are sped up in this time-lapse.