The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. As ...

Mariner 4, built by JPL in Pasadena, took the images on July 14, 1965. One of the mission's leaders reflects on decades of ...

On June 19, the six-wheeled explorer officially completed the longest day trip of any robot vehicle on another planet. In a ...

Sixty years ago today, NASA’s Mariner 4 spacecraft took the first up-close images of Mars, changing humanity's understanding ...

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

A chunk of the Martian surface that made unlikely voyage to Earth will be available to highest bidder at Sotheby's auction in ...

The aerospace giant says it can revive Mars Sample Return with a leaner, lower-cost approach drawing on proven designs.

See Rocket Lab's "proposed mission architecture" for a Mars sample return mission in this animation. Credit: Rocket Lab ...

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

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 Perseverance rover is digging deeper into Mars' geologic past as it begins grinding into rock surfaces to expose ...