The Irish mathematician and physicist William Rowan Hamilton, who was born 220 years ago last month, is famous for carving ...

Scientists first detected ripples in space known as gravitational waves from the merger of two black holes in September 2015. This discovery marked the culmination of a 100-year quest to prove one of ...

“Imagine that the earth has been watched over the aeons by an extremely patient extraterrestrial observer. Nothing, save a little hydrogen and helium, leaves the planet. And then, less than 20 years ...

First, gravitational waves proved Einstein correct. Now, they’ve confirmed Stephen Hawking was right about black holes.

Archaeologists discover an intact 2,600-year-old Etruscan tomb containing skeletons, weapons, and more than 100 funerary objects ...

When two massive objects – like black holes or neutron stars – merge, they warp space and time. Mark Garlick/Science Photo Library Scientists first detected ripples in space known as gravitational ...