If we're talking about sheer size, it's hard to beat the Vredefort Crater in South Africa. This massive impact structure is what remains of a large asteroid that hit Earth around 2 billion years ago, ...

A small asteroid could strike the Moon in 2032, sparking moonquakes, glowing craters and meteor showers, while scientists debate whether to stop it or watch a rare cosmic experiment unfold.

Researchers discovered a new field of ancient tektites in South Australia, revealing a long-forgotten asteroid impact. These 11-million-year-old glass fragments differ chemically and geographically ...