The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

Using NASA's Chandra spacecraft and ESA's XMM-Newton satellite, astronomers have investigated the galaxy NGC 7793, searching ...

Get Instant Summarized Text (Gist) A newly identified supernova remnant, G305.4–2.2 ("Teleios"), displays an unusually perfect circular symmetry, rare among known remnants.

Between 300 and 400 supernova remnants have so far been found in our Milky Way galaxy. Some of these are sure things, including the Crab Nebula (from a supernova that exploded in 1054), ...

The James Webb Space Telescope’s studies of the Crab nebula may shed new light on the supernova remnant’s origins. Skip to main content. Scientific American. November 10, 2023. 6 min read.

There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes. But astronomers recently spotted a mysteriously circular orb deep in the ...

The remnants of a massive star that exploded in a powerful supernova, G292.0+1.8 is distinguished by its unusual combination of both synchrotron radiation and the remnants of heavy elements like ...

Astronomers have discovered a strange new object in our Milky Way galaxy. The celestial object is emitting X-rays around the ...

The Vela Supernova Remnant is a mere 800 light-years away. Here, its wispy tendrils appear alongside emission nebulae Gum 17 (upper left) and Gum 18 (left of center).

When a massive star explodes in a brilliant flash called a supernova, it sends out a wave of high-energy particles into space ...