Led by the University of Bern, the study involved investing Valles Marineris, the largest canyon system on Mars.

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

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

In a quiet corner of an ancient riverbed on Mars, a speckled rock has pushed the search for extraterrestrial life into its ...