One of the brightest stars in the night sky is living on borrowed time, and its eventual death promises to be one of the great spectacles of the cosmos. When the aging red supergiant that marks the ...

One of the most familiar stars in the night sky is also one of the most volatile, and astronomers say it is living on ...

Astronomers watch star explode like never before – and find an entirely new way for them to die - Observations from across ...

Astronomers capture a rare shock breakout as a massive Wolf-Rayet star explodes into a broad-lined Type Ic supernova, revealing new clues about stellar deaths, black hole formation, and why some blast ...

Astronomers have linked an X-ray flash discovered by the Einstein Probe to a known type of supernova with unusual features ...

A collapsing star drives a shock wave out through its own body. The wave reaches the surface and breaks through, dumping ...

Betelgeuse has always been something of a mystery. Betelgeuse is one of the brightest stars in the sky, marking the right ...

These images show the evolution of supernova SN 2026gzf, which was first detected by the Einstein Probe on 21 March 2026. Images taken on 25 March and 3 April 2026 show the supern ...

It was what's known as a "shock breakout": the first moment that a massive dying star reveals itself, as its collapsing core shoots a blast of X-rays and ultraviolet light from trapped energy breaking ...

Artist’s conception of a magnetar surrounded by an accretion disk that is wobbling, or precessing, because of the effects of general relativity. Some models of magnetars suggest that high-speed jets ...