The outer solar system once seemed like a quiet backwater. But a glut of tiny, strange moons with unruly orbits are coming ...

A new study reveals something that may directly challenge our current understanding of how this universe works. According to research published in the Physical Review Letters, led by astrophysicist ...

A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at us? Is it possible there's alien life closer to home — within the bounds of our solar system? The ...

Astronomers have discovered that the Solar System traversed the Orion star-forming complex, a component of the Radcliffe Wave galactic structure, approximately 14 million years ago. This journey ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast-moving body using the world's most powerful telescopes. It was found to be ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A tiny black hole may pass through our solar system once every ten or ...

From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of strange, wandering worlds are rewriting what we know – and even how we ...