The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the inner solar system — but some astronomers think a part of it might still be ...

The solar system of the far future is safe from a run-in with a runaway dead star. Last year, researchers looked at the trajectory of a rogue white dwarf star called WD 0810–353 with the Gaia space ...

Astronomers are racing to explain peculiar orbits of faraway objects at the edge of our solar system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...