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 ...

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

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

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

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

Satellites that retire are deorbited into a graveyard orbit within 25 years of their missions ending. This is the case with ...

Cities, the Vera C. Rubin and LIGO observatories reveal cosmic secrets, one capturing light and the other listening for the ...