The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

"It's not every day that you come up with an entirely new tool for cosmology." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space ...

From our small blue planet to the farthest reaches of the observable cosmos, this breathtaking journey explores the true scale of the universe. Traveling past the Moon, the Sun, and distant planets ...

We could go out with a crunch, and not a bang. Contrary to popular belief, our universe may not be constantly expanding after all. A groundbreaking study by South Korean researchers suggests that dark ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the ...

Most messages are press releases about astronomical discoveries—okay, scratch that; most of them are spam, but science announcements are an easy second place. But I also get questions from readers ...