Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: ...

NASA spending measures are tucked inside the bill that can best be described as ugly, or at the very least ill-advised.

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.

A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of ...

The biggest Martian meteorite ever found on Earth is heading to auction in New York. Here is a break down of what makes it ...

After months of trying to contact NASA’s Opportunity rover through standard communication methods, engineers found themselves facing the reality that the mission may be coming to an end. Despite ...

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it ...

NASA's Mars Sample Return mission has long been a point of contention for the agency, but now someone might have a plan to ...

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

Looks like Mars might have had more water than anyone previously imagined.

The European Space Agency (ESA) successfully established a transmission-reception optical link with NASA's Deep Space Optical ...