Cosmologist Katie Mack breaks down what the latest findings about dark energy mean for our universe’s future. Either way, it ...

Let's turn the sun into a telescope. In fact, we don't have to do any work—we just have to be in the right spot.

The physique that changed the concepts of space and of time with the theory of relativity and the famous AND=MC2Nobel ...

Astronomers have detected a lone black hole drifting through the Milky Way—an unprecedented discovery made possible by ...

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense within the context of a major merger." ...

A bold new theory suggests the universe didn’t begin with a single Big Bang, but instead unfolds through a series of ultra-fast, invisible bursts called “temporal singularities.” These fleeting events ...