Mars was once rich with flowing water. Today, it's a cold, dusty desert marked by dried riverbeds and empty lake basins. Traces of ancient streams wind across its surface, hinting at a time when water ...

Liquid water once shaped the Martian landscape dramatically, carving valleys, filling lakes, and forming vast oceans. Billions of years ago, during Mars' early days known as the Noachian and Hesperian ...

Did life really exist on Mars after all? Unfortunately, there is no conclusive evidence for this yet. Nevertheless, it would ...

For decades, scientists have been curious about how much water Mars once had and what led to its gradual transformation into ...

Scientists used the 'Mars Chamber' in the UK to simulate a process that creates 'very strange' gulleys on the red planet.

Right now there is no conclusive evidence of life on Mars past or present. Nasa’s “leopard spots” are the most promising ...

Scientists have found seismic clues that suggest liquid water may be hiding beneath Mars' surface. By listening to the echoes of "marsquakes" — seismic waves rippling through Mars' crust — researchers ...

There might be a hidden ocean's worth of liquid water below the surface of Mars, seismic evidence suggests. According to a new paper published April 25 in the journal National Science Review, ...

Scientists have captured rare insights into Mars’s north polar vortex, where temperatures plunge far below those outside its boundaries and darkness triggers an unusual surge in ozone. New observation ...