Scientists have long had evidence of water on Mars.Whether liquid water still exists there today is an open question, but we know that the planet was once covered with oceans, lakes and rivers.

Craters within the Hellas Basin. ESA/DLR/FU Berlin Scarring the southern highlands of Mars is one of the Solar System’s largest impact basins: Hellas, with a diameter of 2300 km and a depth of ...

A recent study suggests volcanic formations at an impact basin in the planet's southern hemisphere, known as Hellas Planitia, could be relied on to house future Mars explorers. File photo: Human ...

These images of the rim of the Hellas basin on Mars were obtained by the High Resolution Stereo Camera (HRSC) on board ESA's Mars Express spacecraft. The scenes show a portion of the northern ...

The left view of Mars shows the south polar cap and Hellas Basin. The dark areas are called Sinus Meridiani and Syrtis Major. The right view shows Valles Marineris stretching across the middle.

An international team of scientists used imagery and topography captured by NASA’s Mars Reconnaissance Orbiter’s HiRISE camera to study a rim of the Hellas Basin in Mars’ southern hemisphere ...

Try to comprehend the scale of the Hellas impact basin on Mars. At 1,430 miles (2,300 kilometers) in diameter and 4.3 miles (7 kilometers) deep, it's a doozy of a crater, ...

One of the “weirdest and least understood” areas of Mars, the enormous Hellas Impact Basin contains strange flowing landforms that bespeak of some specialized and large-scale geologic process ...

Barchan dunes march across a plain in the Hellespontus region, west of Hellas basin, on Mars. The orientation of their horns indicates consistent winds out of the east, blowing top to bottom in ...

Mars’ best include Syrtis Major (an easily seen dark, triangular feature), Chryse, Elysium, the Hellas Basin, Libya, and Solis Lacus. Mars’ day, which astronomers call a sol, is 37.4 minutes ...

As the search for life on Mars moves further underground, researchers at the University of Texas at Austin have found another promising place to look: a strange formation that could be the remains ...