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 ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

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

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

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

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

Astronomers had long been suspecting that some stars do meet their end of life with a dual detonation and new images prove ...

Astronomers have captured the first visual evidence of a white dwarf star undergoing a rare “double detonation” before exploding in a Type Ia supernova. Studying the remnant SNR 0509-67.5 with ESO’s ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

A breathtaking image of a supernova remnant 160,000 light-years from Earth has offered the first direct evidence that white ...