Scientists used two years of marsquake data to map the interior of the Red Planet for the first time ever.
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The findings from the Curiosity rover could help the Perseverance rover decide which samples to collect for later analysis.
Methane tends to only be made by biological life, so scientists are wondering if the source is from alien microbes.
China's first Mars rover has captured its first sounds of the Red Planet and beamed back stunning views of a drive on the dusty world.
China's first-ever Mars rover was on the move earlier this month, imagery by a NASA spacecraft shows.
NASA's experimental Mars helicopter has now flown eight times on the Red Planet, traveling farther than scientists hoped would be possible.
China's Zhurong rover has sent a new batch of images to Earth — including a "family photo" of the rover with its rocket-powered landing platform posing for a camera on the rock-covered surface.
Evidence of what may be the youngest eruption seen yet on Mars suggests the Red Planet may still be volcanically active, raising the possibility it was recently habitable.
For the past five weeks, Perseverance has been focused primarily on supporting and documenting the flights of NASA's Ingenuity helicopter. But the rover has been doing some science work, too.
Unusual landforms on Mars' Arcadia Planitia appear to be debris-covered glaciers flowing on a flat plain.
Ingenuity aced its third-ever Martian flight early Sunday morning (April 25), adding to its already impressive resume.
NASA has delayed the first flight of its Mars helicopter Ingenuity after the vehicle's last test ended earlier than planned.
The 4-lb. (1.8 kilograms) chopper captured its first color photograph on Saturday (April 3), shortly after being lowered to the Martian dirt by the Perseverance rover.
Perseverance's laser hasn't yet penetrated the mystery of a strange Martian rock near the rover's new digs.
Enormous "spiders" cover the Martian south pole, and scientists finally have experimental evidence to show how they're created.
China's Tianwen-1 spacecraft has captured stunning images of Mars as a bright red sunlit crescent in deep space.
NASA's Mars rover Curiosity posed for a selfie in front of a beautiful Martian rock outcrop called "Mont Mercou" after probing the area for clues about the Red Planet's past.