The universe is unfathomably large, but it could be much larger (or smaller) if it was full of different stuff.

An astrophysicist and science communicator explains how the universe continually blows his mind.

As a science communicator, nothing pleases me more than being stumped by a question from a child.

If you have never heard of kugelblitze, don't feel bad. They do not exist — and nor, new research proves, can they. 

Insatiably curious with "antsy pants" about finding answers to deep questions, this physicist is happiest when faced with new challenges.

The state of peer review is “pretty bad," according to a watchdog monitoring the rising flood of retracted papers, but fixes are possible.

Artificial intelligence currently demands enormous amounts of energy and memory, but advances in quantum computing may change that.

As organisms made of water on a watery planet, it makes sense that we humans have always likened the universe to a vast sea.

Physicists are finding new ways of looking at old problems – and (very) old ways of looking at new problems.