For every blockbuster, there are movies that land with a thud. Here's the biggest box-office flop every year since the '70s.

In an extraordinary celestial coincidence, two "new stars" —scientifically known as novae —are currently visible to the naked ...

While recent research shows the night sky is getting brighter every year across North America, the Big Bend area in Texas has ...

Jupiter will be too close to the sun to see Tuesday, but it will move farther out in the dawn sky and on Aug. 12 will have a very close Find out where the moon, planets, stars will be this week ...