As the great detective said, "When you have eliminated the impossible, whatever remains, however improbable, must be the ...

When it does take place, the outburst will be brief but it will appear as a new star in the sky for a little less than a week ...

Skygazers have been waiting for over a year to see a recurrent nova that creates a temporary, super-bright star every 80 ...

NASA's James Webb Space Telescope has unveiled an awe-inspiring celestial spectacle of a spiral galaxy interacting with a ...

NASA scientists anticipated a rare once-in-a-lifetime event as professional and amateur astronomers alike became fixated on one small constellation deep in the night sky approximately 3,000 ...

A type Ia supernova occurs when a white dwarf draws hydrogen from a companion. But Sirius A and B are too widely separated ...

The Hubble Space Telescope captured an image of a star and a spiral galaxy, both in the constellation Virgo. But the photo is ...

A picturesque galaxy 40 million light-years away, NGC 5530 dazzles with its patchy spiral arms in the constellation Lupus.

Researchers conducted the first-ever near-infrared analysis of an extragalactic recurrent nova and found it is one of the ...

A research team linked nearby stellar explosions to at least one, possibly two, mass die-offs after calculating the supernova ...

Originally expected to spend just eight days in orbit, the duo ultimately stayed 286 days — or more than nine months.