An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

A near-Earth "asteroid" recently spotted by astronomers poring through telescope data has turned out to be Elon Musk's car.

Worlds with liquid water could have formed just 200 million years after the big bang from the remains of the earliest ...