For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Galileo continued writing in conversational language for his landmark 1632 work, Dialogo sopra i due massimi sistemi del ...

Less than two weeks later, on June 25, reports began to circulate of a second nova blossoming in the southern night sky, this ...

Two stellar explosions have created an unprecedented astronomical phenomenon, with both outbursts now visible to the naked ...

The VRO is a project jointly funded by the U.S. National Science Foundation and the U.S. Department of Energy, Office of ...

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

Citizen scientists working with the Kilonova Project made their first confirmed discovery of a rare exploding star, enabling ...

TWO new stars have suddenly appeared in the night sky, caused by some of the most powerful explosions in the universe. Two ...

Chile's ALMA observatory, which houses some of the world's most powerful telescopes, has captured its most detailed images to ...

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

Get ready to reach for the stars as the Penn State Eberly College of Science prepares to host the 26th annual AstroFest, an ...

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