Earth just picked up a hitchhiker. Astronomers recently determined that the asteroid 2020 XL 5, discovered in 2020, wasn't just passing by like so many of its kin but actually residing at one of the ...

Astronomers have discovered that a 1.2-kilometer-wide asteroid is accompanying Earth on its journey around the sun. It is our planet's second so-called Trojan asteroid to be identified and more than ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Earth could be about to record its fastest-ever rotation.