The merged star evolves into a giant star. As the huge photosphere expands, some of the material falls onto the outer ...

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

Astronomers have taken the first ever image that shows what happens when a star explodes twice in a supernova.

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

The "new stars" are best seen from the Southern Hemisphere, but people have spotted them from the United States by looking ...

Astronomers have captured the first-ever visual evidence of awhite dwarf star exploding twice in a remarkable supernova event ...

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 ...

Astronomers studying the remnant SNR 0509-67.5 have finally caught a white dwarf in the act of a rare “double-detonation” ...

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

Ancient white dwarf stars in the Milky Way, as seen by NASA's Hubble Space Telescope in 2012. These stars are between 12 to 13 billion years old, making them among the oldest stars in the universe ...

This is the first evidence for a white dwarf exploding not once, but twice. The discovery could shed new light on how some ...

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