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Avishay Gal-Yam


A Weizmann Institute of Science and Israel Space Agency flagship, the instrument will enter orbit in 2025; it’s expected to revolutionize...

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

One of the Giant Magellan Telescope's mirrors

Weizmann Institute of Science joins Giant Magellan Telescope to advance the world’s most powerful telescope

tidal disruption event

A high-energy neutrino that flung out from a star, ripped apart by a black hole, reveals something about the cosmic sources of these...

Prof. Avishay Gal-Yam

Prof. Avishay Gal-Yam is the recipient of the Michael Bruno Memorial Award by the Israel Institute for Advanced Studies at the Hebrew University...

artist's illustration: merging neutron stars

Weizmann Institute scientists help confirm and analyze the star merger

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

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