28 August 2013, 06:05 PM ET
We may all be Martians. Evidence is building that Earth life originated on Mars and was brought to our planet aboard a meteorite, says biochemist Steven Benner of The Westheimer Institute for Science and Technology in Florida.
28 August 2013, 07:00 AM ET
A private Mars colonization effort has fallen short of its expected number of astronaut applications but still aims to put boots on the Red Planet in 2023. With a few days left in the application process, Mars One has received about 165,000 submissions.
27 August 2013, 12:01 PM ET
Scientists are hoping to induce an unconscious state in astronauts so that they can be stored in cold capsules for long space flights. Here's how astronaut hibernation and suspended animation might one day work.
26 August 2013, 06:36 AM ET
By the time humanity is ready to put boots on Mars, the long cruise to the Red Planet may be as easy as a dream. NASA-funded scientists are investigating ways to induce hibernation in astronauts, which could make the Mars trip cheaper and more efficient.
23 August 2013, 10:27 AM ET
The deadline approaches for applications to join a one-way mission to Mars. Though the prospect is off-putting to many, it's also the dream of a lifetime to some.
22 August 2013, 12:44 PM ET
A new documentary profiles the people who are willing to make the ultimate sacrifice: leaving Earth on a one-way trip to Mars. The film, "One Way Astronaut," tells the story of the Mars One mission to send humans to Mars starting in 2023.
20 August 2013, 04:58 PM ET
NASA's Opportunity Mars rover has reached the site where it will wait out its sixth Red Planet winter. The rover is studying rocks at the foot of Solander Point, whose north-facing slope will allow the solar-powered rover to work through the coming winter
19 August 2013, 06:00 AM ET
A newly announced contest asks students to propose design concepts for the Inspiration Mars mission, a private effort that aims to launch two astronauts on a close flyby of the Red Planet in January 2018.
16 August 2013, 12:10 PM ET
The possible 'Comet of the Century' will come about 6.5 million miles away from the Red Planet, much closer than it will Earth. NASA will have its eyes on the ground and sky pointed in its direction.
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).
14 August 2013, 07:00 AM ET
Six people emerged from a space habitat on Hawaii's Big Island Tuesday, ending a four-month simulated mission designed to study how best to feed astronauts during the long trip to Mars. The HI-SEAS mission began in mid-April and lasted 118 days.
14 August 2013, 07:00 AM ET
The moon may be more of a stumbling block than a stepping stone on humanity's path to Mars. The perceived need to develop lunar infrastructure and resources first could push a manned Red Planet mission far off into the future, NASA's Harley Thronson says.
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.
09 August 2013, 11:39 AM ET
This stunning space wallpaper shows the ancient cratered southern highlands of Mars. Faint traces of a wet past are seen in the form of channels (lower center), fluidized debris around craters (bottom right) and blocks of eroded sediments (top left).
08 August 2013, 02:08 PM ET
The Hawaii Space Exploration Analog and Simulation (HI-SEAS) is nearing the end of its 120-day mission on the northern slope of Mauna Loa. Commander Angelo Vermeulen shares his thoughts about the project, and about re-entering the real world.
08 August 2013, 12:30 PM ET
Space Frontier Foundation's 'There Is Another Way' promotes a private-powered program, from LEO to Lunar-fueled 'gas-stations' to sustainable Mars transit.
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.
06 August 2013, 07:00 AM ET
A former astronaut's rocket company is raising money via Kickstarter to make a short documentary that explains the technology behind a propulsion system that could bring people to Mars in just over a month.
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, 08:17 AM ET
Three space colony summer studies were conducted at NASA's Ames Research Center in the 1970s. A number of artistic renderings of the concepts were made.
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.
01 August 2013, 04:12 PM ET
Engineers have wrapped up the preliminary design review for NASA's Space Launch System rocket, giving its design, production and ground support plans a stamp of approval. The heavy lifter will blast astronauts toward Mars, asteroids and other destinations
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.
31 July 2013, 11:48 AM ET
Saturn, Venus, Mars, Mercury and Jupiter will all be visible in the August night skies, as will the annual Perseid meteors. A number of nebulas will also be easy to find among the constellations.
25 July 2013, 07:00 AM ET
The International Space Station is undergoing an engineering analysis and risk assessment to gauge its ability to keep operating until 2020 and beyond. The in-depth appraisal is being wrapped up for delivery to NASA by the end of September.
24 July 2013, 03:09 PM ET
The riddle of the age of meteorites from Mars might now be solved, with researchers finding these rocks from the Red Planet might not be billions of years old as some studies previously suggested. The new findings shed light on when the Martian crust form
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.