A newly discovered cluster of objects called the “inner kernel” of the Kuiper belt could teach us about the early history of ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

I/ATLAS is an interstellar comet an outsider on a hyperbolic path that just made its one-time pass through our Solar System.

Tiny historical events, like early collisions of rocks in the solar system, influenced Earth’s formation, tilt, and moon, ...

Last month, Google quietly killed off Google Sky Maps. But there’s still another way to virtually explore most of the solar system a la Google Maps: it’s called Google Maps in Space. Google Maps in ...

NASA's Psyche orbiter looked back and snapped a photo of Earth with the moon on its way to the asteroid Psyche in 2029. Credit: NASA / JPL-Caltech / ASU illustration As a NASA spacecraft whizzed away ...

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and asteroids born elsewhere in the galaxy that zip by the sun as they drift ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The sun is expected to last another 5 billion years, at which point it will become unstable and ...

The newborn planetary system appears to be emerging 1,300 light-years away around a baby star known as HOPS-315. Planet-forming materials were first identified using NASA's James Webb Space Telescope.

Folks, it’s official: the object that astronomers recently spotted blowing through the outer solar system came from interstellar space. Yesterday, the intriguing stranger was named A11pl3Z. Now, it’s ...

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...