Scientists hope spacecraft wakes up
A comet-chasing space probe is due to wake up from years of hibernation Monday, but scientists are facing an agonizing wait of several hours until the first signal reaches Earth.
Did Comet ISON survive? Scientists hopeful
A comet that gained an earthly following because of its bright tail visible from space was initially declared dead after grazing the sun. Now, there is a sliver of hope that Comet ISON may have survived.
Scientists: Sun-grazing comet likely broke up
Once billed as the comet of the century, Comet ISON apparently was no match for the sun.
Scientists said images from NASA spacecraft showed the comet approaching for a slingshot around the sun on Thursday, but just a trail of dust coming out on the other end.
Comet making closest approach ever
A recently discovered comet is closer than it’s ever been to Earth, and stargazers in the Northern Hemisphere finally get to see it.