Many studies suggest then presence of water on ancient Mars billions of years ago,” said Katayama in a statement. “But our ...

Ferrihydrite, a water-rich iron mineral, plays an important role in giving the red planet its signature hue, according to the study.

"This strengthens the case for past habitability in this region on Mars," Hai Liu, a professor with the School of Civil Engineering and Transportation at Guangzhou University, a co-author of the ...

Mars Inc. will have to fight child labor-related allegations in a local District of Columbia court after failing to convince ...

an aerospace engineer who is president of the Mars Society and author of The Case for Mars. Over the decades, as administrations have come and gone, presidents have repeatedly promised future ...

If Mars ever hosted microorganisms in its bygone oceans, their fossils might still be preserved in minerals—and now, we have ...

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity — or not.

"Shorelines are great locations to look for evidence of past life." Today, Mars is a chilly desert of rock and dust — but 4 billion years ago, the planet had rivers, lakes and even oceans with ...