NASA’s Curiosity rover has uncovered an astonishing discovery on Mars, vast, spiderweb-like formations that suggest the Red ...

A crewed expedition to Mars promises to push the absolute limits of human endurance. To grasp the sheer scale of the journey, ...

A researcher says he found a possible shortcut to Mars that would shorten a roundtrip to Earth's planetary neighbor to as ...

Scientists study whether Aspergillus calidoustus could survive Mars-like conditions, raising new concerns about microbes in ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.

Scientists believe they found fresh proof of an ancient ocean on Mars in the form of a “bathtub ring” it left after it dried up billions of years ago.

Space enthusiasts and residents keeping an eye on the stars have a major milestone to watch this week. NASA’s Psyche ...

A rendering of the mid-air deployment of one of the SkyFall copters. (NASA Jet Propulsion Laboratory/AeroVironment, Inc.) ...

Earth's Composition Closely Matches Mars, Suggests New Study On Planet's Origins ...