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

The story of humanity’s quest to understand Mars spans six decades. From Mariner 4’s first images to Viking landers searching for life and modern rovers uncovering ancient rivers, every mission has ...

Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much ...

NASA has not reestablished contact with its MAVEN Mars orbiter since a planned communications blackout ended Jan. 16.

On Episode 201 of This Week In Space, Rod Pyle and Tariq Malik are joined by Jay Gallentine to talk about former Jet ...

The star astrophysicist sat down with Newsweek to discuss Mars missions and what truly drives human discovery.

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

American Journey: No one has set foot on the moon since America left in 1972. NASA is heading there again. Will the quest ...

Water is considered the basic building block for life as we know it. An extended water history on Mars widens the window of ...

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

Ever lose connection to GPS? Sometimes you're in a tunnel, sometimes your phone is acting up, and sometimes you're a robotic explorer on another planet hundreds of millions of miles away from the ...

Rockets launch to space almost every day. All of this incredible innovation owes a debt to a modest experiment that took ...