Mars changed from a blue world with water to a red desert because its atmosphere escaped into space over billions of years.

ESA images show a large meteoroid strike on Apollinaris Mons, leaving more than 100 mysterious moving dust marks on Mars.

After nearly 20 years on the Red Planet, NASA's Mars Reconnaissance Orbiter (MRO) has snapped its 100,000th image of the ...

NASA’s ESCAPADE mission launched two small, affordable orbiters to Mars on Blue Origin’s New Glenn rocket. Discover how these ...

Mars keeps refusing to behave like the dead, simple world many scientists once imagined. Each new rover trench, fractured ...

Maven, an acronym for Mars Atmosphere and Volatile Evolution, abruptly stopped communicating with ground stations on Dec. 6.

NASA has lost contact with one its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars ...

They look like a dish of lentils, or a mass of spider eggs on a leaf. But whatever they are, these tiny little brown blobs, newly-found on the surface of Mars, have left scientists baffled. New images ...

Bizarre 'bleached' rocks on the surface of Mars suggest that the Red Planet was once a tropical oasis, a new study reveals.

Interstellar visitor 3I/ATLAS erupted with violent ice volcanoes, shifting from quiet ice ball to active body, sparking ...

I ATLAS interstellar comet brightens in new NASA and ESA images, revealing an active visitor and rare clues about other star ...

Hawaii's Kilauea volcano erupted with spectacular, giant lava fountains over the weekend and consumed a U.S. Geological ...