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October 21, 2015

Ancient Mars was once covered in water -- and MAVEN will find out where it went

Billions of years ago when the Red Planet was young, it likely had a thick atmosphere that was warm enough to support oceans of liquid water. Mars today is a barren desert however -- so what happened?

October 21, 2015

Curiosity rover snaps best Mars solar eclipse photos ever

NASA's Mars rover Curiosity has captured the sharpest-ever images of a solar eclipse as seen from the Red Planet.

October 21, 2015

What would astronauts eat during a mission to Mars?

Six researchers have spent the past four months living in a small dome on a barren Hawaii lava field at an elevation of 8,000 feet, trying to figure out what foods astronauts might eat on Mars and during deep-space missions.

October 21, 2015

NASA presents an astonishing billion-pixel tour of Mars

A stunning panoramic image from NASA's Curiosity rover offers an incredibly detailed look at the dusty, lonely landscape of the red planet. And a guided tour of Martian highlights.

October 21, 2015

'Virgin' comet may hit Mars in 2014

A newfound comet is apparently on course to have an exceedingly close call with the planet Mars in October 2014, and there is a chance — albeit small — that the comet may even collide with the Red Planet.

October 21, 2015

Married to Mars: 9 questions for Dennis Tito on private Martian trips

The world's first space tourist, Dennis Tito, has founded a new nonprofit organization to work toward launching the first manned mission to Mars in 2018.

October 21, 2015

NASA to unveil Mars rover Curiosity findings Monday

NASA will discuss the latest Red Planet activities of its Mars rover Curiosity on Monday, but space geeks shouldn't get their hopes up for a bombshell announcement.

October 21, 2015

Mars mystery: has Curiosity rover made big discovery?

NASA's Mars rover Curiosity has apparently made a discovery "for the history books," but we'll have to wait a few weeks to find out what the new Red Planet find may be.

October 21, 2015

NASA testing 'interplanetary Internet'

NASA and the European Space Agency have tested out a prototype system that may one day help enable Internet-like communications between Earth and robots on another planet.

October 21, 2015

Curiosity finds signs of ancient stream on Mars

The NASA rover Curiosity has beamed back pictures of bedrock that suggest a fast-moving stream, possibly waist-deep, once flowed on Mars -- a find that the mission's chief scientist called exciting.