The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

"This tangible evidence of a double detonation not only contributes towards solving a long-standing mystery, but also offers ...

In other cases, another member of the system will go on to form a second white dwarf. If gravitational instabilities bring ...

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

Pictures of a distant supernova remnant show two concentric rings, providing clear evidence that exploding white dwarf stars ...

Astronomers have finally found evidence for a proposed mechanism for a special kind of supernova, known as a Type Ia ...

Astronomers studying the remnant SNR 0509-67.5 have finally caught a white dwarf in the act of a rare “double-detonation” supernova, where an initial helium blast on the star’s surface triggers a ...

(CN) — While all stars go out in a bang, some go out with two. For the first time, astronomers have recorded visual evidence ...

Astronomers have finally caught a dying star in space going out with a bang — and then another bang. The new photographic evidence, captured using the European Southern Observatory’s Very Large ...