If you step out the door on a clear, dark night at this time of year, you’ll find the great constellation called Ursa Major high in the sky below Polaris, the pole star. You might even be able to pick ...

Learn about the night sky through Cosmic Adventures. Find more Cosmic Adventures episodes online. Expand your astronomy knowledge at Astronomy.com. Contact the hosts with feedback or ideas.

A new public competition will allow a lucky astronomy enthusiast to name one of Earth's tiny "quasi-moons." Here's everything you need to know about how to enter the competition for free. When you ...

There may not be an alien planet named Heinlein any time soon if the International Astronomical Union (IAU) gets its way. The astronomy group issued a reminder April 12 that it is the only body ...

CAPE CANAVERAL — Want to name Pluto's two tiniest moons? Then you'll need to dig deep into mythology. Astronomers announced a contest Monday to name the two itty-bitty moons of Pluto discovered over ...