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

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

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 ...

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

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

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 — ...

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

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

Scientists suspect that beneath Europa’s icy crust is a giant ocean of liquid water. They launched a spacecraft to ...

Named 2024 TY21, the asteroid is around 40 feet wide. It will pass at a safe distance of 840,000 miles. NASA assures that there is no threat to Earth. Asteroids, also called minor planets, orbit the ...