Ground-penetrating radar reveals a long-lost river system hidden under the surface of Mars. (NASA/JPL/UCLA/UiO/ETH Zurich) ...

NASA’s Mars Reconnaissance Orbiter has located a fresh crater on Mars after 20 years of monitoring, providing high-resolution ...

NASA Rover Studies Unusual Structures on Mars That Have Scientists Puzzled ...

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world ...

New research suggests Mars may have remained habitable much longer than scientists once thought. Ancient sand dunes in Gale ...

What innovative rovers can be developed to advance Mars surface exploration? This is what a recent study presented at the Joint Meeting of the Europlanet Science Congress and the Division for ...

A routine drive by NASA’s Curiosity rover accidentally cracked open a Martian rock, revealing rare yellow sulfur crystals.

An accident on Mars revealed the surprising contents of an otherwise unremarkable rock. (NASA/JPL-Caltech/MSSS) A rock on ...

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(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine successful US Mars landings: ...