Surprisingly, a toxic compound found on Mars could help bacteria produce brick-like substances that could be used to assemble habitats on the Red Planet.

Mars, the planet we see today—arid, cold, and covered in red dust—may have once been a "blue planet" with a vast ocean that ...

For the first time, NASA's Perseverance rover has discovered definitive evidence of an ancient shoreline on Mars. The rover ...

The strongest hints yet that Mars once hosted living microbes are no longer theoretical models or ambiguous chemistry. They ...

From the Pantheon, to the Mont Saint-Michel, and an enduring Roman gate that evolved into a medieval church, the exploration of history's most sacred spaces uncovers how ancient builders channeled ...

“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

New findings from NASA's Perseverance rover have revealed evidence of wave-formed beaches and rocks altered by subsurface ...

To get a better picture of what such a lush ocean world could’ve looked like, an international team of researchers used ...

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests. New evidence of ...

Researchers use synthetic biology to reverse-engineer modern nitrogenases and rebuild their possible ancestors, in an effort to better understand the origins of life on Earth and beyond.

Three billion years ago, you could have stood on Mars and watched a river spill into a sea. That picture is still speculative ...

Spacecraft orbiting the Red Planet have helped researchers map out an ancient coastline that surrounded a large ocean billions of years ago ...