Along with researching gravitational waves, Holz heads the Science and Security Board at the Bulletin of Atomic Scientists responsible for setting the legendary “Doomsday Clock,” which ticks closer to ...

New observations from NASA's James Webb Space Telescope have revealed that auroras on Jupiter are hundreds of times brighter than those seen on Earth.

Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ever since.