(PhysOrg.com) -- In a celestial forensic exercise, scientists analyzing data from NASA's Cassini, Galileo and New Horizons missions have traced telltale ripples in Saturn and Jupiter's rings to specific collisions with cometary ...
Space Exploration
Mar 31, 2011
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A dozen space vehicles, equipped with 200 nets each, could scoop up the space debris floating in low Earth orbit, clearing the way for a future space elevator. That’s the idea described last Friday at the annual Space Elevator ...
On June 3rd, 2010, something hit Jupiter. A comet or asteroid descended from the black of space, struck the planet's cloudtops, and disintegrated, producing a flash of light so bright it was visible in backyard telescopes ...
Space Exploration
Jun 15, 2010
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(PhysOrg.com) -- Roughly 15,000 years ago, at the end of the last ice age, North America's vast assemblage of large animals -- including such iconic creatures as mammoths, mastodons, camels, horses, ground sloths and giant ...
Earth Sciences
Nov 19, 2009
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Scientists have just completed an unprecedented journey into the vast and little-explored "Great Pacific Ocean Garbage Patch."
Earth Sciences
Aug 27, 2009
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(PhysOrg.com) -- A research program aimed at using platinum as an exploration guide for nickel has for the first time been able to put a time scale on the planet’s large-scale convection processes.
Earth Sciences
Jul 30, 2009
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(PhysOrg.com) -- Geologists may have uncovered the answer to an age-old question - an ice-age-old question, that is. It appears that Earth's earliest ice ages may have been due to the rise of oxygen in Earth's atmosphere, ...
Earth Sciences
May 7, 2009
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(PhysOrg.com) -- Using NASA’s Spitzer Space Telescope, an international team of astronomers have found that at least 1 in 100 white dwarf stars show evidence of orbiting asteroids and rocky planets, suggesting these objects ...
Astronomy
Apr 20, 2009
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(PhysOrg.com) -- The car-sized asteroid that exploded above the Nubian Desert last October was small compared to the dinosaur-killing, civilization-ending objects that still orbit the sun. But that didn't stop it from having ...
Space Exploration
Mar 25, 2009
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(AP) -- The near-hit of space junk Thursday was a warning shot fired across the bow of the international space station, experts said. There's likely more to come in the future. With less than an hour's notice, the three ...
Space Exploration
Mar 12, 2009
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