Inside NASA’s plan to defeat moon dust. (And why it matters more than you think.)

Moon dust is sharp, corrosive, and potentially fatal. NASA’s new electric force field shield is designed to blast it away.

Wormholes may not exist—we've found they reveal something deeper about time and the universe

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...