A new international study partially funded by NASA on how Mars got its iconic red color adds to evidence that Mars had a cool but wet and potentially habitable climate in its ancient past.

Vincent Chevrier, associate research professor at the University of Arkansas Center for Space and Planetary Sciences, is part ...

Like Earth, Mars has polar ice caps, volcanoes, canyons and deserts. This image was stitched together from a series of photos from the Viking Orbiter — one of the communications relay stations ...

Experts weigh in on whether President Donald Trump’s lofty goal of sending humans to Mars and back is feasible during his second term.

A strange spoon-shaped rock was snapped by Mars' Curiosity rover in 2015, while a freaky face-like feature was photographed ...

This image of Mars' Valles Marineris hemisphere, captured on July 9, 2013, is a composite created from 102 images taken by ...

This view of Mars' Valles Marineris hemisphere from July 9, 2013, is a mosaic of 102 Viking Orbiter images. At the centre is the Valles Marineris canyon, over 2,000 km long and up to 8 km deep. This ...

While circling the planet looking for a landing site for its robotic companion, Viking 2 ... wound in this image captured by ...

In the 1970s, NASA’s Mariner 9 and Viking 2 were the first missions to ... “The Mariner 9 orbiter first imaged giant canyons ...

The early Mars had been dynamic; the Viking Mars was more or less inert ... In 2005 NASA's Mars Reconnaissance Orbiter (MRO) will add data from yet more instruments including HiRISE—a camera ...

The "Face on Mars" captured by NASA's Viking 1 orbiter in 1976 (left) and Mars Global Surveyor in 2001 (right) The desire to attribute geometric formations on Mars to intelligent design taps into ...

A new international study partially funded by NASA on how Mars got its iconic red color adds to evidence that Mars had a cool but wet and ...