An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never ...

For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

"Some of the extreme ultraviolet light above active regions flickers erratically for a few hours before a solar flare," ...

"The data that will come down from the spacecraft will be fresh information about a place that we, as humanity, have never ...

A small asteroid named 2024 PT5, once hailed as Earth's temporary second moon, might have originated from our very own Moon.

NASA’s Goldstone Solar System Radar is closely tracking asteroid 2024 PT5 during its nearest approach to Earth, a distance ...

January started out with a meteor shower and now has a planetary alignment in store. Here's what you'll be able to see and ...

January started out with a meteor shower and now has a planetary alignment in store. Here's what you'll be able to see and ...

The two Voyager spacecraft continue to be incredibly useful to Nasa, and losing it might have meant losing some of our most important information about the very edges of our solar system.