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NASA spacecraft takes milestone 100,000th image of Mars (photo)NASA's Mars Reconnaissance Orbiter spacecraft has just taken its milestone 100,000th photo of the Red Planet using its high-definition camera. It reveals a dark region of moving sand dunes.
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Why is Venus so bright?The "morning star" is bright because of several factors, including having an atmosphere filled with sulfuric acid.
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Spiders on Jupiter? Scientists uncover secret origins of arachnid-like 'demon' lurking on gas giant's moon.A new study reveals the likely origin of a mysterious spider-like pattern first spotted on Jupiter's moon Europa in 1998. The finding could have implications for a NASA spacecraft en route to the frozen world.
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Saturn's largest moon may be riddled with 'slushy tunnels' that contain alien life, new study hintsDecades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush.
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City-size 'cosmic butterfly' carved into Mars' surface contains traces of ancient waterThe European Space Agency has released new images of a rare "butterfly" crater on the Red Planet. The bug-like structure sports a pair of smooth, rocky wings, which were likely "fluidized" by buried Martian ice.
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James Webb telescope uncovers a new mystery: A broiling 'hell planet' with an atmosphere that shouldn't existJames Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile chemicals.
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Time moves faster on Mars, posing new challenges to crewed missionsClocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly more than that for our moon, posing potential challenges for future crewed missions.
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Strangely bleached rocks on Mars hint that the Red Planet was once a tropical oasisBleached clay rocks found on the Martian surface suggest that the Red Planet was once home to heavy rainfall and tropical conditions, new Perseverance observations hint.
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Earth had a secret neighbor, and it may explain our moonEarth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial rocks reveals.
