Watch: Massive fireball wows onlookers in four states

A massive fireball stunned onlookers as it streaked across four states. Scientists are now on the hunt for pieces that may have fallen to the ground.

Here's when NASA's Starliner astronauts will finally come home – and how

NASA says it's not safe enough to let Butch Wilmore and Suni Williams fly the new Starliner spacecraft back to Earth, so they'll come home aboard a SpaceX Dragon capsule next year. Meanwhile, Boeing will suffer the ignominy of being bailed out by a rival.

Miss Monday's supermoon? When you can see it again

Monday's supermoon appeared 14% larger and 30% brighter, but more supermoons are on the way.

Don't miss the rare Blue Supermoon rising Monday

Also known as the Sturgeon Moon, the eighth full moon of the year promises a rare and breathtaking celestial sight.

Northern Lights put on a show in Chicago

The Northern Lights were spotted as far south as Chicago late Sunday into early Monday morning. 

Perseid meteor shower: Viewing conditions promise good show for best meteor shower of 2024

The Moon will be about 44% full this year for the Perseids peak, offering a better chance to spot meteors. Many regions of the U.S. will have a clear sky to watch the meteor shower.

August celestial events: Why the first week of August is a good time for stargazing

Discover why the first week of August is ideal for stargazing. Explore the new Moon, the Perseid meteor shower, and other celestial events that make this month perfect for skywatching.

Northern lights could be visible in Chicago this week

The northern lights could be visible in the Chicago area this week — so long as conditions are right.

Illinois doctor selected by NASA for Mars mission simulation

An Illinois doctor has re-emerged after spending a year inside a Mars simulation. He was among four U.S. researchers picked by NASA for the mission.  

NASA: No return date yet for astronauts aboard ISS

Two NASA astronauts aboard the International Space Station were supposed to come back to Earth in mid-June, but ongoing issues with their Boeing Starliner capsule have extended their stay.