
Tall Boulder Rolls Down Martian Hill, Lands Upright
A track about one-third of a mile (500 meters) long on Mars shows where an irregularly shaped boulder careened downhill to its current upright position, seen in a July 3, 2014, image from the High R ... more
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Colliding Atmospheres: Mars vs Comet Siding Spring
On October 19, 2014, Comet Siding Spring will pass by Mars only 132,000 km away--which would be like a comet passing about 1/3 of the distance between Earth and the Moon. The nucleus of the comet wo ... more
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Finland opens to wolf hunting in the new year
Regional temperature records broken across the world in 2025
French ban on 'forever chemicals' in cosmetics, clothing enters force; delays plastic cup ban 4 years
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Opportunity Heads to 'Marathon Valley'
Opportunity is moving south along the west rim of Endeavour Crater heading towards 'Marathon Valley,' a notch observed from orbit to have an abundant clay mineral signature.
On Sol 3739 (July ... more
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Dawn navigates mini-asteroid belt
Patient and persistent, silent and alone, Dawn is continuing its extraordinary extraterrestrial expedition. Flying through the main asteroid belt between Mars and Jupiter, the spacecraft is using it ... more
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Robotic Rock Climbers Could Uncover Clues to Mars' Past
A robot that can scale the faces of steep cliffs might one day help explore Mars and find signs of life. The latest experiments with this "Cliffbot" showed it could help examine places otherwise dif ... more
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NASA Upgrades Its 3-D Spacecraft App
A new-and-improved version of NASA's Spacecraft 3D app for mobile devices is launching to coincide with the second anniversary of the Mars Science Laboratory Curiosity rover's landing on Mars. In ad ... more
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NASA Mars Curiosity Rover: Two Years and Counting on Red Planet
NASA's most advanced roving laboratory on Mars celebrates its second anniversary since landing inside the Red Planet's Gale Crater on Aug. 5, 2012, PDT (Aug. 6, 2012, EDT).
During its first ye ... more
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