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"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 ...

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

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

The area containing the clay-bearing mounds is geologically connected to Oxia Planum, which is where Rosalind Franklin will ...

Scientists confirm the existence of liquid water on Mars, altering our understanding of the Red Planet. Evidence of wave ...

Trump’s pledge to go to Mars without mentioning the moon has caused some head-scratching and even consternation in the media.

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic ...

In his prepared remarks, Trump, a longtime backer of U.S.-led space exploration and exploitation, singled out Mars and left ...

An 'square structure' recorded by the NASA's Mars Orbiter Camera in 2001 is currently going viral online - as many wonder what it could be.

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...