Contrary to scientists' expectations, much of the comet dust returned by NASA's Stardust mission formed very close to the young sun and was somehow differentiated from the other materials that are ...
NASA has approved the retargeting of the Epoxi mission for a flyby of
comet Hartley 2 on Oct. 11, 2010.
Debate has heated up over a controversial theory that suggests huge comet impacts wiped out North America's large mammals nearly 13,000 years ago.
NASA researchers and scientists from the United States, Germany and Japan have found a new mineral in material that likely came from a comet.
HOUSTON, June 16 (UPI) -- U.S. space agency scientists and researchers from Germany and Japan say they've found a new mineral in material that likely came from a comet.
... over the world look at each individual image for a tiny moving speck that could be a comet. When someone believes they have found one, they submit their results to Karl Battams at the Naval Research ...
Astronomers have discovered a comet-like object lurking near Neptune's orbit.
... an angle of 104 degrees – almost perpendicular to the orbits of the planets.
"Certain types of comets are not naturally produced after planet formation, especially those with highly tilted orbits," ...
... have been formed from a cold outer region and a hot inner region, which did not exchange material. But the comet Wild-2 contains both iron oxides, which suggests that it was exposed to small trickles ...
An asteroid cruising through the solar system six years ago seemed just another silent ship sailing in the eternal darkness, until it flared up with the startling brightness of a comet's halo.
... instrument of its kind in the world.
To their surprise, they found oxygen isotope ratios in the comet crystals that are similar to asteroids and even the sun itself. Since these samples more ...
Chemical clues from a comet's halo are challenging common views about the history and evolution of the solar system and showing it may be more mixed-up than previously thought.
WASHINGTON (AP) -- The capsule that brought the first comet samples back to Earth is going on display at the Smithsonian National Air and Space Museum....
When comet Holmes unexpectedly erupted in 2007, professional and amateur astronomers around the world turned their telescopes toward the spectacular event.
... put together the premier wide-field telescope for space imaging in Canada. The discovery of comet Cardinal is an exciting achievement," he said.
There is not much known yet about the Cardinal comet. ...
