The speed of light remains one of physics’ firmest assumptions, but scientists still test whether it ever shifts under extreme conditions. A new review draws together decades of observations, ...

The newest member of the Vandal family is an ancient recluse who may inspire fear among people and prey. Research students from the University of Idaho identified a new species of spider that ...

Time for a gut check. Cases of colorectal cancer are on the rise, surpassing breast and brain cancer as the leading cause of cancer deaths among adults under 50. But earlier diagnoses could soon be ...

After years of research, international experts have confirmed the discovery of a new chemical reaction, launching new opportunities for rapid advances in a range of fields—from recycled plastics to ...