Chandra X-ray Observatory
Update your Desktop Wallpaper with 25 New Images from Chandra
It’s not always possible to observe the night sky from the surface of the Earth. The blocking effects of the…
Which Stars are Lethal to their Planets?
Many years ago, there was a viral YouTube video called "History of the entire world, i guess," which has been…
New Simulation Explains how Supermassive Black Holes Grew so Quickly
One of the main scientific objectives of next-generation observatories (like the James Webb Space Telescope) has been to observe the…
Black Holes are Firing Beams of Particles, Changing Targets Over Time
Black holes seem to provide endless fascination to astronomers. This is at least partly due to the extreme physics that…
NASA is Planning to Shut Down One of the Great Observatories to Save Money
The US Government budget announcement in March left NASA with two billion dollars less than it asked for. The weeks…
JWST and Chandra Team Up for a Stunning View of Supernova Remnant Cassiopeia A
NASA's long-lived Chandra X-ray Observatory teamed up with JWST for the first time, producing this incredibly detailed image of the…
Multiple Supernova Remnants Merging in a Distant Nebula
The 30 Dor B star-forming region is one of the most dramatic places in the Universe. It is located in…
Spider Pulsars are Tearing Apart Stars in the Omega Cluster
Pulsars are extreme objects. They're what's left over when a massive star collapses on itself and explodes as a supernova.…
Hubble Sees a Mysterious Flash in Between Galaxies
Hubble and other observatories worldwide have witnessed a Luminous Fast Blue Optical event between two galaxies.
What Caused Eta Carinae’s 1840 “Great Eruption?”
n 1840, a seemingly innocuous star, Eta Carinae, suddenly brightened to become one of the brightest stars in the sky…