Designing, building, and launching a spacecraft is hugely expensive. That’s why NASA missions to Mars are designed with the hope that they’ll last as long as possible — like the famous Opportunity ...

NASA Mars Odyssey orbiter has been rotated to capture imagery of the Red Planet that would be similar to what an astronaut ...

A NASA spacecraft that has been circling Mars for more than two decades has spotted something it never has before in well over 100,000 orbits of the Red Planet. On a morning horizon in May, the ...

NASA is losing critical communication links with its Mars missions. After recently losing contact with the MAVEN spacecraft, ...

A NASA spacecraft that has been circling Mars for more than two decades recently spotted something it never has before in well over 100,000 orbits of the Red Planet. On a morning horizon in May, the ...

The 22-year-old Mars Odyssey recently showed signs of missing fuel, sparking an interplanetary mystery that required some clever scientific sleuthing. Reading time 3 minutes For nearly two years, NASA ...

A new image from a NASA orbiter shows an unusual view of Mars that captures the planet’s horizon complete with clouds. It is similar to the kinds of views of Earth that astronauts get from the ...

TEMPE, Ariz. – A six-minute rocket firing on September 30 has put NASA’s Mars Odyssey spacecraft on track for a new orbit around the Red Planet. The change, part of a two-year extension for the ...

A dazzling image taken by NASA’s 2001 Mars Odyssey orbiter shows an unprecedented view of a 12-mile-high volcano poking through clouds at dawn on the Red Planet. Arsia Mons, which dwarfs Earth’s ...

Nov. 1 -- NASA scientists are studying the first picture of Mars beamed down from the Mars Odyssey spacecraft. The test thermal image shows a 1,300-mile-wide swath of the south pole, including ...

NASA’s Mars Odyssey spacecraft has discovered entrances to seven possible caves on the slopes of a Martian volcano. The find is fueling interest in potential underground habitats and sparking searches ...

Humans have looked at Mars for centuries with lust in their eyes. Over the past six decades or so, they've even reached the place, indirectly, by means of spacecraft. And yet, until now they've never ...