In a groundbreaking development, a team of astronomers, in collaboration with citizen scientists, has uncovered a new and ...

The spiral galaxy NGC 6946 in Cygnus has seen 10 supernovae in the past century, earning it the nickname the Fireworks Galaxy ...

The "new stars" are best seen from the Southern Hemisphere, but people have spotted them from the United States by looking ...

Stargazers in the U.S. will find the waxing gibbous moon above the southwestern horizon as the sun sets on July 3, with Spica ...

Less than two weeks later, on June 25, reports began to circulate of a second nova blossoming in the southern night sky, this time in the constellation Vela. This nova — later designated V572 Velorum ...

A dramatic cosmic event, a rare dwarf nova that suddenly brightened by a factor of 2,500, has been discovered with the help ...

An explosion captured in a new image could help astronomers to better understand the "standard candles" at the center of a ...

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

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 ...

Hipparchus’s star catalog is the oldest known attempt to document the positions of as many objects in the night sky as possible, and it was the first time that two coordinates were used to ...