A meteorite from Mars, the largest piece ever found on Earth, sold for $5.3 million to an anonymous bidder at a Sotheby's auction in New York on Wednesday.

A newly discovered interstellar comet could be older than the Solar System, and scientists think it carries secrets from the dawn of the galaxy.

The Perseid meteor shower will be lighting up the summer night sky beginning in July. But it won't peak until August. Here's ...

Comet 31/ATLAS is only the third interstellar object to ever be observed whizzing through the Solar System. While its origins ...

Summer is one of the best times to see a meteor shower. Here's why.

From a silhouetted space station to glowing comet tails and swirling stars, this year's ZWO Astronomy Photographer of the ...

The Perseid meteor shower will be lighting up the summer night sky beginning in July. But it won't peak until August. Here's how to see them in Ohio.

The meteor shower is best viewed in the Northern Hemisphere in the predawn hours, according to NASA, though they are ...

Harvard astronomer Avi Loeb suggests that if interstellar object 3I/ATLAS isn't a comet, nor an asteroid, it may have been ...

Mark your calendar for later this summer when the Perseid meteor shower reaches its peak, offering a rare opportunity to see ...

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

According to the team's measurements, the comet's nucleus is around a whopping 128 kilometers (80 miles) across, making it bigger than the state of Rhode Island, and far larger than its closest ...