Exploding stars V462 Lupi and V572 Velorum are best seen from the Southern Hemisphere. One has been spotted from the United States.

One weekend in August 1996, a quarter of a million fans gathered in the grounds of Knebworth House, Hertfordshire, to crown ...

Astronomers have spotted another never-before-seen "nova" blaze to life in the night sky. This may be the first time that ...

Previously described as playing astronomical "spot the difference," Kilonova Seekers asks the public to compare the latest ...

In an extraordinary celestial coincidence, two "new stars" —scientifically known as novae —are currently visible to the naked ...

The mineral-rich Arctic island is open for tourism. Locals want to show what makes Greenland unique beyond a recent ...

A red supergiant star transitions into a type II supernova in this animation. Credit: W. M. Keck Observatory/Adam Makarenko | ...