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 ...

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 ...

Ohio State students won NASA’s Human Lander Challenge for designing an AI-powered cryogenic refueling system for moon and ...

Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this ...