MARS

Unburied treasure: Rover researchers find unexpected minerals on Mars that hint at possibility of ancient life

MARS
Sometimes scientists must dig and work and sweat to make scientific discoveries. And sometimes a robot rolls over a rock that turns out to...

Mars’s core evolution: Lab experiments hint at solid inner core formation

MARS
Geochemical evidence from laboratory experiments for a potential solid inner core at the center of Mars is reported in Nature Communications. Data from NASA's InSight...

Scientists have discovered a 3-billion-year-old beach buried on Mars

MARS
In the 1970s, images from the NASA Mariner 9 orbiter revealed water-sculpted surfaces on Mars. This settled the once-controversial question of whether water ever...

Laser-powered device tested on Earth could help detect microbial fossils on Mars

MARS
The first life on Earth formed four billion years ago, as microbes living in pools and seas: what if the same thing happened on...

Ancient beaches testify to long-ago ocean on Mars

MARS
A Chinese rover that landed on Mars in 2021 detected evidence of underground beach deposits in an area thought to have once been the...

Moon or Mars? NASA’s future at a crossroads under Trump

MARS
Is NASA still Moonbound, or will the next giant leap mean skipping straight to Mars? Speculation is mounting that the Trump administration may scale back...

Curiosity rover captures colorful clouds drifting over Mars

ASTRONOMY
Red-and-green-tinted clouds drift through the Martian sky in a new set of images captured by NASA's Curiosity rover using its Mastcam—its main set of...

Roving the red planet: New paper documents first Mars mission soil samples

ASTRONOMY
A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return from Mars. The University...

The red planet’s hot again, cold again history: Explaining persistent hydrogen in Mars’ atmosphere

ASTRONOMY
The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for decades. Now,...

Kitchen experiments shed light on Mars’s volcanic rootless cones

MARS
Rootless cones are small volcanic landforms ranging from several to several hundred meters in diameter, formed by continuous explosions resulting from the interaction between...

Unusual Martian mounds could help solve one of the red planet’s biggest mysteries

MARS
Thousands of mysterious mounds on Mars preserve layers of evidence pointing to ancient water on the red planet that likely sculpted the towering formations. More...

Mystery mounds reveal the history of water on Mars

MARS
Thousands of mounds and hills in Mars' barren northern plains are full of clay minerals, providing evidence that the rocks here were once soaked...
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