A type Ia supernova occurs when a white dwarf draws hydrogen from a companion. But Sirius A and B are too widely separated ...

Deep-sea samples reveal traces of past cosmic explosions, prompting researchers to seek further proof in lunar soil.

While sifting out signatures of supernova remnants, a high-schooler stumbled upon the afterglow of a dormant black hole. It ...

Get Instant Summarized Text (Gist) The Hubble Space Telescope captured a new image of the Veil Nebula, a supernova remnant from a star 20 times the mass of the sun that exploded 10,000 years ago ...

The ghostly ring Kýklos (from the Greek κύκλος, circle or ring) and the object WR16 both show the environment of rare and ...

As it nears 35 consecutive years of space service, the NASA/ESA Hubble Space Telescope has taken another look at a famous supernova remnant. The Veil Nebula is roughly 2,400 light-years away in ...

Astronomers call these cosmic ghosts "light echoes" — and that's what high-school junior Julian Shapiro found while scanning the cosmos for supernova remnants. "There are these outer regions of ...

This sphere of stellar detritus shows itself as a circle. The supernova remnant will be deformed by its environment over time. If one side of the explosion slams into an interstellar cloud ...

Plutonium discovered at the bottom of the ocean was found to be refuse from a kilonova that exploded close to Earth 10 million years ago. Kilonovas occur when binary neutron stars spiral closer and ...