The suit is far more elaborate than the long-ago Mercury model and far more expensive, the product of a $228-million contract ...

The Orionid meteor shower, which originates from Halley's Comet, is expected light up the night sky starting this weekend.

Suni Williams and Butch Wilmore were only supposed to be on the International Space Station for eight days. They've now been ...

You can see the bright bundle of ice and dust until Oct. 24 by using binoculars or a telescope in a dark environment, NASA ...

This event is linked to Halley’s comet, and occurs as another comet, Tsuchinshan-ATLAS, remains visible. But a nearly full ...

Solar maximum refers to the highest rate of solar activity during the sun's approximately 11-year solar cycle. It is ...

Skygazers should have a chance to see the Orionids, one of the year's most beautiful meteor showers, just in time for ...

The sun is at a point where its two poles have flipped, and NASA says that means we'll get more light shows here on Earth — ...

An unexpected detour revealed a treasure trove of blue boulders on the Red Planet in an ancient river channel.

"An object larger than about 150 meters that can approach the Earth to within this distance is termed a potentially hazardous ...

Vice President Harris struggled to name one policy that differentiates her from President Biden, in an interview on MSNBC on ...