NASA’s Perseverance rover found large crystals of quartz with a high purity on Mars, which probably had to have formed in the ...

The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity — or not.

NASA's Perseverance rover has spotted an oddball rock in an ancient river channel on Mars. Deputy project scientist Katie ...

How's the weather up there? On Mars, weather forecasts haven't always been right at our fingertips. Now, recent research from ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior. When the rover rolled its 899-kilogram (1,982-pound) body over the rock in ...

For centuries, the Red Planet’s signature hue has fascinated scientists, but the real reason behind its color may be ...

Perseverance is pushing the limits of Martian science by using its SHERLOC instrument to detect organic compounds, but harsh ...

The Mars Curiosity rover had to weather a solar storm. Specks seen in the video the rover captured are "caused by charged ...

Experts weigh in on whether President Donald Trump’s lofty goal of sending humans to Mars and back is feasible during his second term.

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For the fourth year in a row, iridescent clouds of frozen CO2 are lighting the Martian sky. The clouds appear in the same ...

A new study conducted using existing data on Mars points to ferrihydrite, a substance that forms in the presence of water, ...