A dark point inside a beam of light should not be much of a traveler. Yet in a new experiment, some of those points appeared ...

A new study published in Physical Review Letters explores the possibility that a strongly supercooled, first-order phase transition in the early universe could explain gravitational wave signals ...

Kayakers and surfers hang ten in the heart of Boise on a massive wave at the Boise Whitewater Park, but it hasn't always been ...

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of Ask a Spaceman and Space Radio, and author of How to Die in Space. He contributed this article to ...