I f astronomers had been walking the Earth 466 million years ago, they may have had something special to see. The moon and ...

A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...

The Earth: a ringed planet, much like Saturn, surrounded by a hula hoop of asteroids. The summit of Mount Everest: a tropical ...

The ring might have acted like a giant sunshade, causing a cooling effect that might have unleashed an ice age.

In a discovery that challenges our understanding of Earth's ancient history, researchers have found evidence suggesting that ...

Brown period blood has various causes but isn’t usually a reason to be concerned. Period blood that looks brown is typically older, meaning it had more time to oxidize, resulting in a darker hue.

Corporal John ‘Jack’ Edmondson is awarded the Victoria Cross posthumously for his gallant actions on 13 April 1941. He is the first Australian to be awarded the VC during the Second World War ...

The Star Wars timeline is one complicated beast. There are so many movies, TV shows, novels, games, and comics making up the galaxy far, far away that it can be hard to keep track of what goes where.

Read more for a timeline of ADHD. The symptoms of ADHD were first described in 1798 by the Scottish physician Sir Alexander Crichton as “the incapacity of attending with a necessary degree of ...