Mars had an Arctic-sized ocean, and scientists are only now beginning to see the outline of it. For a long time, the planet ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

Small lakes on ancient Mars may have remained liquid for decades, even with average air temperatures well below freezing.

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly ...

NASA's Curiosity rover has found evidence of water on ancient Mars with "rippled textures" and "landslide debris" in the ...

Another view from Perseverance shows how windswept Mars' landscape truly is.

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

Scientists have studied the driest regions of the Atacama Desert to understand whether life could exist on Mars ...

Thin, seasonal ice may have protected ancient lakes on Mars, allowing liquid water to last for decades despite cold ...

Mars often feels finished. Mapped, scanned, labelled in broad strokes. Yet every so often, something unsettles that sense of familiarity. A shadow whe.

New climate modeling suggests that small lakes on ancient Mars could have stayed liquid for decades, even in a generally cold environment. Small lakes on early Mars may have stayed in liquid form for ...

This discovery adds a new dimension to the geoscience of Mars and opens up new possibilities for the search for life outside Earth.