A massive star may have burst, leaving behind two dense, dead cores, which then collided and caused another explosion ...
In a strange turn of events, a supernova birthed twin baby neutron stars that merged to make a powerful kilonova.
Morning Overview on MSN
First “superkilonova” double-star blast leaves astronomers stumped
A strange cosmic blast that lit up the sky in two distinct acts is forcing astronomers to rethink how stars live and die. The event, tagged AT2025ulz, appears to be the first known case where a ...
A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a superkilonova.
Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.
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