A green comet is flying past Earth for the first time in 50,000 years, offering skygazers a one-off opportunity to witness the celestial spectacle before it disappears from our Solar System ...

Comet 12P/Pons-Brooks is currently sailing past the Andromeda Galaxy in the night sky as it races toward Earth, and you can watch it live today.

The bright Comet NEOWISE makes its closest approach to Earth tonight (July 22). If you miss the naked-eye comet tonight, you'll have another chance to see it in two live webcasts on Thursday (July ...

A green comet is flying past Earth for the first time in 50,000 years, offering skygazers a one-off opportunity to witness the celestial spectacle before it disappears from our Solar System ...

Rosetta/Philae separation above comet 67P (artist render) Separation. Rosetta will maneuver itself a bit closer to comet 67P, so that it's about 14 miles (22 km) above the landing site.

For the first time in the history of mankind, scientists are attempting to make physical contact with a comet. A 10-year project by the European Space … ...

A NASA spacecraft has captured its best video yet of the icy Comet ISON streaking toward a Thanksgiving Day encounter with a sun, a close shave that the comet might just not survive. The latest ...

But you can watch the whole thing live, with me, and a pile of NASA scientists on Google+! NASA is holding a live video Hangout on G+ during ISON’s perihelion passage (peri = close, helion = Sun ...