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

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 identify Amazonis Planitia as a promising Mars landing site, citing possible underground water, moderate ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The CaSSIS camera aboard the European Space Agency's ExoMars Trace Gas Orbiter captures dark ...

Seismic data collected by NASA suggests the amount of water hidden in the red planet's crust would cover its surface in a global ocean. Evidence is mounting that a secret lies beneath the dusty red ...

For years, scientists have been intrigued by mysterious dark streaks running down the slopes of Martian cliffs and craters. These marks, called slope streaks and recurring slope lineae (RSLs), have ...