Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) has captured a stunning view of supernova remnant ...

Astronomers have obtained remarkably detailed images of two stellar explosions -- called novae -- just days after they began.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The recent deaths of two white dwarf stars are challenging our ...

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.

"This is certainly an outburst unlike any other we've seen in the past 50 years." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers ...

Hubble reveals a chaotic spiral galaxy whose close encounter with a neighbor has ignited a spectacular burst of star birth.

Almost a thousand years since its formation, the Crab Nebula sports complex shells of plasma, filled with tendrils, filaments, and knots. At its center sits a pulsar, a pulsating type of neutron star, ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...

Supernovae aren't one of the JWST's main science themes, but the perceptive telescope is full of surprises. Recently, it pinpointed a single star in a galaxy when the universe was only about 730 ...

The James Webb Space Telescope blasted off from a launchpad in French Guiana in 2021, before reaching a spot in orbit a million miles away. It soon began breaking cosmology.