Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that ...

Physicists are quietly rewriting the rulebook for how we might cross the gulf between stars, not by bolting bigger rockets to ...

C&EN’s latest podcast, Inflection Point, leans on our 100-year archive to trace headline topics in science today back to their disparate and surprising roots. In each episode, we explore three ...

At the turn of the 20th century, physicists realised their understanding of the subatomic world was wrong. A new theory was born: quantum mechanics. Despite defying everyday notions of the nature of ...

How is it that quantum physics governs the very smallest things in the universe, yet classical, Newtonian rules describe the movements of everything else, from people to planets? In the second of two ...