The mind-bending concept of time dilation results from a seemingly harmless assumption—that the speed of light is the same for all observers.

Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the ...

For Pocahontas, Nicholas, Greenbrier, Fayette, Raleigh, Summers, Monroe, Wyoming, McDowell, Mercer, Tazewell, Bland, & Giles counties until 2 AM Saturday morning. Repeated rounds ...

Workmen plant electricity poles in the rust-orange earth of the Navajo Nation and run cables to Christine Shorty's house -- ...

The JWST discovers the Zhúlóng spiral galaxy, as massive as the Milky Way, formed only a billion years after the Big Bang.

And what makes it even more meaningful is that he’s riding custom LED lit surfboards crafted by his father. Sean’s journey ...

Astronomers have detected the signal of a colossal black hole in deep space that likely formed when two already-large black ...

Keith Krehbiel lived with Parkinson’s disease for nearly 25 years before agreeing to try a brain implant that might alleviate ...

An international team of physicists discovered the largest-ever merger of 2 black holes through a phenomenon known as gravitational waves.

At incredibly small scales, the universe operates according to the unfamiliar rules of quantum mechanics. And Planck’s ...

This colossal collision, which occurred about 10 billion light-years from Earth, was detected in November 2023 by the Laser ...

Gravitational waves from most massive black hole collision ever observed challenge existing theories, as scientists suspect ...