Earth’s recent ‘mini-moon’ may be an actual piece of the moon, astronomers say
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.
There's more than just gravity at work in the solar system
Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...