Mariner Meteor Mystery, Solved?
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In 1967, NASA's Mariner 4 spacecraft was hit by a surprising flurry of meteoroids--a shower more intense than any Leonid meteor storm.  Where did the meteoroids come from? It's been a mystery for 40 years.
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The Cassini spacecraft's close flyby of Saturn's mysterious moon Titan this week revealed clouds that will give clues to its weather, but the pass left scientists still puzzled about its surface.
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An international team of astronomers has produced the first ever image of an astronomical object using high energy gamma rays, helping to solve a 100 year old mystery - an origin of cosmic rays.
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A dying comet has prompted astronomers to take issue with a mainstream theory about the impact of &quot;space weather&quot; on these enigmatic wanderers of the Solar System.
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Halley's comet won't return until 2061, but pieces of the celestial body are streaking across the sky. The heavenly show, known as the Orionids meteor shower, peaks Wednesday night.
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By ALICIA CHANG  SAN FRANCISCO - Detailed observations from the first comet samples returned to Earth are debunking some of science's long-held beliefs on how the icy, celestial bodies form.
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Experts think they've solved the mystery of what has been killing sea turtles in the Indian Ocean at the peak of their nesting season.
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NASA scientists are using space satellites to unravel one of the great mysteries of the ancient world.  The long-lost secrets they're discovering could help modern people in Central America avoid the fate of the Maya.
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The 2004 Geminid meteor shower is underway. Midnight sky watchers this weekend sawbright meteors shooting out of the constellation Geminid--at least a few per hour.
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com Staff. Astronomers have produced the first truly useful image ever of something in space using gamma rays. It&#39;s a picture only an astronomer could love, but it appears to help solve a century-long mystery.
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Text of report by Radio Australia on 22 February Australian astronomers say an exploding Russian rocket satellite may have caused a mysterious glow in the night sky over the eastern state of Queensland.
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&quot;We have evidence that interaction with liquid water changed the composition of this rock,&quot; said Steve Squyres of Cornell University, chief investigator for the science instruments on both rovers. &quot;This is different from the rocks out on ...
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You might have seen shooting stars on a clear night sky. They are nothing but meteorites burning in earthâs atmosphere. Why do meteorites falling on earth burn but space crafts donât?
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A fossil found in Wyoming has apparently resolved a long-standing question about when bats gained their radar-like ability to navigate and locate airborne insects at night. The answer: after they started flying.
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WASHINGTON - Peering deep into the sea, scientists are finding creatures more mysterious than many could have imagined.  At one site, nearly two miles deep in the Atlantic, shrimp were living around a vent that was releasing water heated to 765 degrees Fahrenheit.
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By Anonymous  ANCIENT TEMPERATURE DROP M
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The Mars rover Opportunity has discovered what scientists said was the first meteorite of any type ever identified on another planet.