Mystery of where Earth's water came from deepens: Comet water is different
The mystery of where Earth's water came from got murkier Wednesday when some astronomers essentially eliminated one of the chief suspects: comets.
Subaru Telescope observes rapid changes in a comet's plasma tail
Images from a December 2013 observation of the comet C/2013 R1 (Lovejoy) reveal clear details about rapidly changing activity in that comet's plasma tail. To get this image, astronomers used Subaru Telescope's ...
Hubble Space Telescope spots Mars-bound comet sprout multiple jets
(Phys.org) —NASA released Thursday an image of a comet that, on Oct. 19, will pass within 84,000 miles of Mars—less than half the distance between Earth and our moon.
Dust from a comet has been discovered for the first time on the Earth's surface
Rosetta space probe takes sharp, close-up images of comet
The European Space Agency says high-resolution images the Rosetta space probe took during a swoop close to a comet it's been tracking for months show boulders on the comet's surface as well as "stunning details ...
Comet Siding Spring whizzes past Mars (Update)
A comet the size of a small mountain and about as solid as a pile of talcum powder whizzed past Mars on Sunday, dazzling space enthusiasts with the once-in-a-million-years encounter.
Deep space 'snowball' nears close shave with Mars
A comet the size of a small mountain is about to skim past Mars, and NASA hopes its spacecraft will be able to photograph the once-in-a-million-years encounter.
Image: Dark Energy Survey catches breathtaking glimpse of Comet Lovejoy
On December 27, 2014, while scanning the southern sky as part of the Dark Energy Survey, researchers snapped the above shot of comet Lovejoy. The image above was captured using the 570-megapixel Dark Energy ...
Scientists will try to contact the Philae comet lander on March 12
Scientists from the German Aerospace Center (DLR) will make the first attempt to contact the stranded comet lander Philae on Thursday Mar. 12. "The first attempt will take place already this week, on March ...
Once in million years: Comet buzzing Mars on Sun
(AP)—The heavens are hosting an event this weekend that occurs once in a million years or so.
See one of the year's best meteor showers, thanks to Halley's comet
As Earth orbits the sun, it continually ploughs through dust and debris left behind by passing comets and asteroids. On any night of the year, a keen-eyed observer might see five, or even ten, meteors (shooting ...
Philae lander on comet may communicate again
European space scientists are hoping that they succeeded in maneuvering comet lander Philae into the sun and that it will resume communicating Saturday with recharged batteries.
Space agency says Philae completes primary mission
The pioneering lander Philae completed its primary mission of exploring the comet's surface and returned plenty of data before depleted batteries forced it to go silent, the European Space Agency said Saturday.
No signals heard from comet lander Saturday
The European Space Agency received no signals from the Philae lander Saturday morning during a scheduled effort to establish communication, the mission chief said.