Watch the moment a star explodes in a supernova — something scientists have never directly witnessed like this before. The ...

The ‘guest star’ of 185 AD has been one of astronomy's most unresolved cases for over 1800 years. Ancient Chinese chroniclers ...

NASA’s Imaging X-ray Polarimetry Explorer, known as IXPE, has produced the first spatially resolved polarization maps of the supernova remnant RCW 86, the shell of debris left by what is likely the ...

A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught ...

Astronomers studying a distant superluminous supernova uncovered a strange pattern hidden in its light: a rapidly ...

Astronomers have discovered a strange new signal coming from an exploding star — a “chirp” that speeds up over time, similar ...

A supernova witnessed nearly 2,000 years ago is back in focus as NASA’s powerful X-ray telescope uncovers a hidden cosmic ...

NASA has released new Hubble telescope images of the Crab Nebula taken 25 years after the iconic observatory first gazed at ...

It was only last October that telescopes spotted a gamma ray burst—caused by the collapse of a black hole—that was so ...

Astronomers may have found an exciting new clue about dark energy—the mysterious force driving the universe’s accelerating expansion. They discovered an extraordinarily bright supernova from more than ...

It's never too late to solve a cold case. A new paper from Syracuse University researchers proposes an explanation for both a mysterious stellar object discovered in the year 2013 and an astronomical ...