The night sky will come alive this weekend when a green comet streaks by Earth on the heels of the Geminid meteor shower's display of green fireballs. The night sky will come alive this weekend when a ...

The Rochester Institute of Technology Observatory will hold its final open house of the year for stargazers hoping to catch sight of a comet. The public is invited to use the observatory’s telescopes ...

Russia is examining the flight worthiness of a Soyuz crew capsule docked with the ISS that sprang a leak last week, and might need to send up a rescue vessel for ...

As we come to the end of December, comet 46P/Wirtanen is fading. Comets can be unpredictable , but this one came pretty close to expectations, missing its brightness prediction by just one magnitude.

What: While the comet will be visible via telescope for months before and after its approach, Comet 46P/Wirtanen (not shown in photo) will come close enough to Earth in December to be seen by the ...