Using NASA's Chandra X-ray space telescope, astronomers have discovered an entire galaxy cluster wrapped in a 20 million light-year-wide envelope of charged particles.

Buying Guide The best telescopes for kids are easy to use, accessible to beginners and you can get your stargazers started with July's full moon.

The beads are over 3.3 billion years old, and date from the formation of the "Man in the Moon."

Buying Guide Here are the best telescopes for a range of different purposes and budgets — beginner to smart telescopes and everything in between. Keep your eyes peeled for deals, too.

The latest aurora forecast for tonight help you make sure you're in the right place at the right time to see the northern lights.