Korean scientists studying Type Ia supernovae have found strong evidence that the universe's expansion is not accelerating, ...
A 'prelude to a supernova' is how NASA describes this stunning new James Webb Space Telescope image of Wolf-Rayet Star WR 124. Travel 15,000 light years in this zoom-in to see the amazing look. Credit ...
EVANSTON, Ill. — Astronomers have observed what they are calling a new type of supernova, which has provided an unparalleled glimpse into what happens deep within a star just before it explodes. A ...
Astronomers say they've captured the clearest look yet of a star on the brink of supernova. An international team used NASA’s James Webb Space Telescope to backtrack and find the original star that ...
In November 1572, a brilliant new star appeared in the constellation Cassiopeia, shining so brightly that it was visible ...
A cosmic explosion known as GRB 250702B is by far the longest gamma-ray burst astronomers have ever seen—if it’s even one at ...
Summer's last breath already blew when Oasis held court over MetLife Stadium in East Rutherford, New Jersey. On a cool Labor Day Sunday, beneath an ashen night sky painted with smog—courtesy of the ...