The European Space Agency has set a tentative date for the first landing of a spacecraft on a comet.
A black hole is a place in Washington, DC, where all our tax dollars go. Just kidding! A black hole is perhaps the strangest object in the universe. It is the remains of a massive dead star that...
Sad news, comet fans: ISON is no more. It’s a vaporized husk of its former self. A sublimated dirty snowball. Comet ISON is an ex-comet and this time it’s not playing.
For months, all eyes in the sky have pointed at the comet that's zooming toward a blisteringly close encounter with the sun. The moment of truth comes Thursday -- Thanksgiving Day.
A NASA probe orbiting Mercury has returned new photos of Comet ISON, and a number of other spacecraft are all set to document the icy wanderer's much-anticipated solar flyby on Thursday.
A spectacular set of photos taken by an amateur astrophotographer chronicles the evolution of Comet ISON over the last few months, which has seen the much-hyped icy wanderer brighten so much that...
The potentially spectacular Comet ISON streaks through the constellation Leo in a stunning new NASA photo taken just a month before the icy object's highly anticipated close encounter with the sun.
An asteroid with six comet-like tails of dust radiating from it like a rotating lawn mower was spotted for the first time by NASA's Hubble Space telescope.
Southern Californians from Santa Barbara to San Diego have reported seeing a fireball that forecasters said was most likely a meteor streaking across the sky.