Our solar system is a weird place. Much more than a home to eight planets, it’s filled with a myriad of fascinating other smaller bodies, including moons, asteroids, and comets. In recent decades, ...

Astrophysicists are mapping a vast, hidden structure in space that appears to guide matter and radiation along a kind of ...

The comet, discovered in July 2025, originated far beyond our Solar System and is thought to be around 7 billion years old - ...

New calculations reported by Live Science indicate Jupiter was once much larger and is still contracting as it cools, offering constraints on early solar system conditions.

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of ...

Oh, we humans do love a cleanly defined boundary, don’t we? They make things easier, after all. If we’re trying to categorize something, knowing what labeled bin to put it in is handy. If we’re ...

The solar system originated from a collapsing cloud of gas and dust approximately 4.5 billion years ago, with the Sun forming in the central region through nuclear fusion and the planets condensing ...

"If there are lots of black holes out there, some of them must surely pass through our backyard every now and then." When you purchase through links on our site, we may earn an affiliate commission.

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 ...