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

A collision observed between two black holes, each more massive than a hundred suns, is the largest merger of its kind ever ...

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

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

Does light behave more like a particle, or like a wave? Today we know the surprising answer. Here's why it took so long to get there. When you purchase through links on our site, we may earn an ...

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

Light sometimes appears to be "dragged" by the motion of the medium through which it is traveling. This phenomenon, referred ...

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

There is a lot of invisible light waves that we can’t see. But, using an ultraviolet light can change that. Science Central executive director Martin Fisher stopped by WANE 15 to share a ...