We tested the best electric bikes of 2025—commuters, cargo bikes, e-MTBs, and more—and several top picks are still discounted ...

Physicists tested light speed using cosmic gamma-ray bursts. Study confirms Einstein's prediction that all light colors travel at same speed.

Last Word is New Scientist’s long-running series in which readers give scientific answers to each other’s questions, ranging ...

An experiment has visualized a prediction about objects traveling at the speed of light known as the Terrell-Penrose effect, ...

Plans to cut speed limits to 20mph and hundreds of homes earmarked for the countryside are some of the most significant ...