Beloved sci-fi series The Expanse finds astounding new streaming success three years after it was cancelled at Syfy.

To understand gravitational lensing and dark matter, James Jee, a professor at Yonsei University, says to think of a pond ...

In an extraordinary celestial coincidence, two "new stars" —scientifically known as novae —are currently visible to the naked ...

The world’s largest atom smasher has conducted its first-ever collisions between protons and oxygen ions, as part of an ambitious campaign to include a series of historic firsts, among which ...

Predicted by Einstein and dismissed as undetectable, gravitational waves were finally heard in 2016. Now, with observatories ...