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, ...

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

"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 ...

Living on Mars would significantly impact astrology, altering traits associated with zodiac signs due to the planet's unique ...

The image below, taken by the European Space Agency's Trace Gas Orbiter (which arrived at Mars in 2016), shows one of the ...

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

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

During the fluctuations between warm and cold climates, the chemistry of Mars’ atmosphere was also fluctuating. CO2 is constantly hit by sunlight and converted to CO. In warm periods ...