Mars
Latest about Mars
The largest volcano on Mars may sit above a 1,000-mile magma pool. Could Olympus Mons erupt again?
By Keith Cooper published
A low-density, weak-gravity region has been found below Olympus Mons and the Tharsis volcanoes, while Mars' northern hemisphere is littered with puzzling high-gravity structures beneath the surface.
NASA scientists solve mystery of curious 'spiders' on Mars
By Stefanie Waldek published
Scientists at NASA's Jet Propulsion Laboratory have recreated spider-like araneiform terrain, a geologic formation found on Mars, in a lab on Earth.
Best-ever 'Cloud Atlas' of Mars showcases stunning cloud patterns (photos)
By Sharmila Kuthunur published
The most comprehensive map of clouds on Mars includes a variety of cloud patterns, including some that are unlike anything seen on Earth.
Behold! 1st-ever photo of Earth and Mars' moon Phobos captured from Red Planet
By Samantha Mathewson published
NASA's Curiosity rover has captured a spectacular sight from the surface of Mars: The first-ever photo of Earth alongside the Red Planet's moon Phobos.
Scientists spot ancient 'smiley face' on Mars — and it could contain signs of life
By Harry Baker published
Newly released images of Mars reveal a "smiley" salt deposit on the Red Planet's surface. A related study suggests that similar deposits, which were left behind from ancient lakes, may be a good place to look for signs of former life on Mars.
What's behind the Martian methane mystery?
By Paul Sutter published
The cause of mysterious methane spikes on Mars may be a strange form of alien life — or it may just be interesting chemistry. Either way, something odd is happening on the Red Planet.
A long-lost moon could explain Mars' weird shape and extreme terrain
By Paul Sutter published
A long-lost moon could explain why Mars is so different from the other rocky planets in the solar system.
Mars leaks faster when closer to the sun
By Keith Cooper published
NASA's MAVEN mission and the Hubble Space Telescope have teamed up to reveal new insights into how Mars' water is leaking into space.
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