NASA’s flagship X-ray observatory is starting the calendar with a flourish, unveiling a richly detailed view of a distant ...

While surveying distant worlds beyond our solar system, researchers unexpectedly obtained the first direct images showing ...

A bubbly-looking galaxy smashup called the Champagne Cluster offers a rare glimpse into cosmic collisions—and the hidden behavior of dark matter. The Champagne Cluster is a dramatic cosmic system ...

NASA's Hubble Space Telescope has gotten a rare peek at the aftermath of two cosmic collisions — and helped scientists solve a decades-old mystery.

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

NEW YORK (AP) — NASA’s Hubble Space Telescope got a rare look at the aftermath of two cosmic collisions — and helped scientists solve a decades-old mystery. The year’s first meteor shower and ...

NEW YORK (AP) — NASA's Hubble Space Telescope got a rare look at the aftermath of two cosmic collisions — and helped scientists solve a decades-old mystery. Many years ago, scientists saw a dense, ...