Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

The Solar System is filled with facts that sound invented, from sideways planets to dying storms and volcanoes taller than ...

An interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is ...

In the distant space out beyond the orbit of Jupiter lurks a strange object. Its name is Chiron, a type of outer Solar System body known as a centaur. But even among its fellow centaurs, Chiron is ...

Here’s what you’ll learn when you read this story: Every time an interstellar object comes whizzing into our Solar System, it brings with it a certain intrigue. Where is it from? How did it form? Why ...

Astronomers surveying the outer solar system have revealed that a rare object far beyond Neptune is moving in sync with the eighth planet in an unexpected way. Called 2020 VN40 and first discovered in ...

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

A rare meteorite has revealed evidence of a massive lost world that once orbited the young Sun before being destroyed in a catastrophic collision. The discovery suggests some early planets formed from ...

"This is a big step in understanding the outer solar system." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Premieres Wednesdays, Oct. 2 - 30, 2024 at 9 p.m. on KPBS TV / PBS app New discoveries are proving it – our solar system is a weird place, filled with bizarre worlds shaped by extreme forces ...