
Mars Canyons Study Adds Clues about Possible Water
Puzzles persist about possible water at seasonally dark streaks on Martian slopes, according to a new study of thousands of such features in the Red Planet's largest canyon system.
The study p ... more
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Scientists' Innovation Began With 'Wanting to Understand Why'
NASA's Journey to Mars will require groundbreaking technologies and solutions to many complex problems. For a pair of NASA scientists at the Kennedy Space Center in Florida, an idea to help make tha ... more
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SMOS mission reveals 15-year global forest carbon storage trends
Pacific microstate sells first passports to fund climate action
Great Barrier Reef suffers most widespread bleaching on record
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Opportunity finishing science investigations at the center of Marathon Valley
Opportunity is exploring 'Marathon Valley' on the rim of Endeavour crater, investigating outcrops for evidence of clay minerals.
The rover is nearing the completion of its exploration within M ... more
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Moons of Mars probably formed by giant impact
The origin of the two Martian moons, Phobos and Deimos, remained a mystery. Due to their small size and irregular shape, they strongly resembled asteroids, but no one understood how Mars could have ... more
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Mars Rover's Sand-Dune Studies Yield Surprise
Some of the wind-sculpted sand ripples on Mars are a type not seen on Earth, and their relationship to the thin Martian atmosphere today provides new clues about the atmosphere's history.
The ... more
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Unusual form of sand dune discovered on Mars
Both Earth and Mars feature large sand dunes and small sand ripples. Recently, NASA's Mars rover Curiosity discovered and studied an expanse of medium-sized sand waves unlike any sand formations found on Earth. ... more
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ChemCam findings hint at oxygen-rich past on Mars
The discovery of manganese oxides in Martian rocks might tell us that the Red Planet was once more Earth-like than previously believed. A new paper in Geophysical Research Letters reveals that NASA' ... more
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