The strongest hints yet that Mars once hosted living microbes are no longer theoretical models or ambiguous chemistry. They are etched into a single, oddly speckled rock in an ancient riverbed, where ...

The discovery suggests that parts of Mars may once have supported tropical-like climates, complete with heavy, sustained rainfall.

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

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts to collect Perseverance rover samples that could contain evidence of alien ...

Two remarkable bacteria could facilitate 3D printing on Mars besides producing oxygen for astronauts.

"The structures that we were able to identify in the images are clearly the mouth of a river into an ocean." The post ...

Bright white rocks spotted by NASA’s Perseverance rover are rewriting what we thought we knew about ancient Mars. These ...

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.

Ancient shoreline features hint that water on Mars once formed a vast ocean.

Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.