"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

This NASA Mars Reconnaissance Orbiter image, acquired on May 13, 2018, during winter at the South Pole of Mars, shows a carbon dioxide ice cap covering the region and as the sun returns in the spring, ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for decades. Now, researchers think they have a good explanation for a warmer, ...

Kids can have realistic experiences in outer space as they climb inside a rover based on a NASA spacecraft at the Long Island ...

which hosts the photochemical model she used. The study was supported by NASA and Jet Propulsion Laboratory. Because Mars lacks plate tectonics, unlike Earth, the surface seen today is similar to ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for decades. Now, Harvard ...

One of my gripes with "The Martian" movie was the depiction of the winds on Mars. The lower air density means that the sort ...

A Hall thruster is a high-efficiency propulsion device using plasma that is used for various difficult space missions, such ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Mars haunts us as a vision of a planet gone wrong. It was once warm and wet, with rivers flowing across its surface and ...