CAPE CANAVERAL, Fla. (AP) — Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, ...

The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...

In the coming years, an unprecedented number of people will leave planet Earth—but it’s becoming increasingly clear that deep space will make us sick.