The cannon-like sound could be heard for hundreds of miles, but its cause long remained a mystery.

Our understanding of the electromagnetic spectrum goes back to Isaac Newton, but astronomers are still finding new ways to ...

Body Problem, these books prove that hard sci-fi can be just as affecting and poignant even at its most cerebral.

Experts have weighed in or outright advised those on the set of some of the best and most scientifically accurate movies ever ...