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

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

New evidence of ancient rivers suggests Mars may have been a "blue planet," thanks to an ocean spanning its entire northern ...

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

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

NASA’s Perseverance rover has captured striking images of an ancient river system inside Jezero Crater, offering new clues about Mars’ watery past and its potential to have supported life.

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly in pure water ice than they do in mixed soil samples. Ancient microbes, or ...

New research suggests Mars was once a blue planet, as scientists identify river deltas and signs of a vast ancient ocean on ...

For more than a century, astronomers debated the possibility of martian canali (channels) which Italian astronomer Giovanni Schiaparelli claimed to see on the Red Planet in 1877. Mistranslated into ...

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

Was there ever life on Mars? Planetary scientists think there could have been but there hasn’t been any direct evidence. After years of roaming... NASA just dropped the most convincing evidence for ...