Researchers have found a way to reliably remove disease-causing mutations from human embryos, an achievement sure to renew concerns over so-called designer babies.

Tens of millions of people will travel to see the eclipse, overwhelming local businesses, roads and phone networks. Here’s what to plan for.

SpaceX has landed yet another one of its Falcon 9 rockets after launching the vehicle into space this afternoon. The rocket took off from Cape Canaveral, Florida, at 12:31PM ET, bound for the...

An asteroid named Florence that will safely sweep past Earth on Sept. 1 is the largest object to give our planet a close shave since NASA began tracking these types of near-Earth asteroids, an agency official said.