Publication marks 20 years since the launch of the successful Mars Express mission. The globe of Mars set against a dark background. To mark 20 years of the European Space Agency’s Mars Express, the ...

Mars has a distinct structure in its mantle and crust with discernible reservoirs, and this is known thanks to meteorites that scientists at Scripps Institution of Oceanography at UC San Diego and ...

BLOOMINGTON, Ind. (AP) — Mars is rocky and red, photos have shown. But what minerals make up the planet? The answer to that question has been just conjecture — until now. David Bish, an Indiana ...

Amidst the flat, fragmented rocks strewn across the Vernodden region on Mars, an isolated block with a peculiar morphology rises. This object, named "Phippsaksla," resembles none of the ...

Mars as seen by a Viking orbiter. Photo courtesy NASA Scripps Institution of Oceanography is doing work that is out of this world — specifically work relating to the unique geology of Mars, which ...

Cosmochemists now present the most comprehensive comparison to date of the isotopic composition of Earth, Mars and pristine building material from the inner and outer Solar System. Earth and Mars were ...

Earth-based experiments on iron-sulfur alloys thought to comprise the core of Mars reveal details about the planet’s seismic properties for the first time. This information will be compared to ...

One day, we'll bring samples home from Mars — but, until then, we have to make do with what we've got. Fortunately, we actually have some Martian material to work with, thanks to meteorites from Mars ...

Scientists with NASA have lost contact with a spacecraft that’s investigated Mars’ upper atmosphere for the past decade. The MAVEN (Mars Atmosphere and Volatile EvolutioN) spacecraft reportedly worked ...