white dwarfs
A supernova shone in the night sky 1,000 years ago. Astronomers have now found its leftover ‘zombie star’
Science
Dr. Sarah Adams
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For six ...
Cosmic crime scene reveals ancient supernova aftermath of dead star merger
Science
Dr. Sarah Adams
The ultimate cosmic “cold case” has lingered for 843 years — and now, space detectives may have solved it at last. In ...
James Webb Space Telescope makes rare detection of 2 exoplanets orbiting dead stars
Science
Dr. Sarah Adams
The James Webb Space Telescope (JWST) has already proven itself adept at peering into the past by imaging objects at tremendous distances, ...
