The ring might have acted like a giant sunshade, causing a cooling effect that might have unleashed an ice age.

Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.

The innermost Earth-like planet in the famous TRAPPIST-1 system might be capable of supporting a thick atmosphere after all, ...

“To me, the Voyager Golden Record is a beautiful example of humanity and striving for world peace,” adds propulsion engineer ...

A newly-deployed satellite has created the most-detailed map yet of the ocean floor, finding hundreds of hills and underwater ...

Scientists still do not know where the water here on Earth came from. But two populations of so-called dark comets may tell ...

To be considered active, a volcano must have erupted at some point during the Holocene, but dormant and extinct are a little ...

This year, we were treated with a total solar eclipse, fantastic displays of the northern lights, spectacular meteor showers ...

Before Artemis II, NASA will send two missions to scout the surface of the lunar south pole for resources that could sustain ...

If Earth is going to be blown to bits by an asteroid, it'd be nice to have some advance warning – to either do something ...

NASA confirms no collision risk as asteroids 2024 YC1 and 2024 YQ2 approach Earth on December 28, 2024, at 639,000 miles ...