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A Wolf-Rayet star and the nebula surrounding it captured by the Hubble Space Telescope. Gal-Yam and colleagues are the first to discover a rare-type supernova originating from this star // NASA/ESA Hubble Space Telescope

A first-of-its-kind exploding star – thought to have existed only in theory – was recently discovered

Circum-stellar shell

Pre-supernova stars may show signs of instability for months before the big explosion


The brightest flash of light in the cosmos could be a rare event involving a star and a supermassive black hole

The Early Flash of an Exploding Star, Caught by Kepler. Credit: NASA Ames, STScI/G. Bacon

On 6 November 1572, a supernova in the Cassiopeia constellation was first observed by German astronomer Wolfgang Schuler

Dr. Boaz Katz

Could many supernovae be the result of high-speed, head-on collisions?

Supernova 3C58, first observed in the year 1181 AD by Chinese and Japanese astronomers, imaged by the Chandra telescope in X-ray emissions. NASA/CXC/SAO

Ultraviolet observations may shed new light on exploding stars...

UGC 9379 galaxy imaged in the Sloan digital sky survey before the supernova explosion (left) and by the Palomar Observatory robotic telescope and by the Palomar Observatory robotic telescope afterward (right)

Researchers analyze the elements emitted from an unusual star just before it exploded

Chandra Crab Nebula. Image: NASA

Researchers discover a star’s “mini-explosion” taking place just a month...

Super Supernovae
The largest stars die in explosions more powerful than anyone thought possible--some triggered in part by the...
(l-r) Drs. Avishay Gal-Yam and Eran Ofek in the Martin Kraar Observatory on the Weizmann campus

A day after landing in Israel, Dr. Eran Ofek was already at work uncovering the secrets of a new supernova