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 ...

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

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

Astronomers reveal new insight into an iconic supernova remnant's evolution, structure and pulsar-driven growth over 25 years.

Nearly a millennium ago, astronomers witnessed a brilliant new star blazing in the sky—a supernova so bright it was visible ...

New Hubble images show the Crab Nebula is still expanding and evolving nearly 1,000 years after its original supernova ...

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

Found in an ultrafaint dwarf galaxy, the ancient star’s unusual chemistry indicates it formed from gas enriched by a single ...

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