Featured in chandra x-ray observatory
This kilonova could have created the first-ever extragalactic ‘sonic boom’
A collision between two neutron stars is emitting mysterious X-rays—and astronomers are getting closer to pinning down the source.
Happy Birthday, Chandra X-Ray Observatory
Four new images of supernova remnants celebrate the telescope's 15 years of awesome discoveries
The Prettiest Space Pics From This Week’s Annual American Astronomical Society Meeting
Because who doesn't like a pretty space pic?
Twin Supermassive Black Holes Found At Nearby Galaxy’s Heart
A nearby galaxy that looks like a smiley face harbors a dark secret: It has twin supermassive black holes, not...
Unprecedented Cosmic Explosion Spawns an Intergalactic Mystery
A mystery is unfolding out there in the cosmos, and NASA’s Swift, Hubble Space Telescope, and Chandra X-Ray Observatory are...
Video: Chandra Captures the First Direct Evidence of Superfluids at the Heart of Neutron Stars
The cores of neutron stars are the densest observable known matter in the universe, so dense that a single teaspoon...