Astronomers have traced a mysterious blast of X-rays to a star that, like a cosmic action hero, just refused to die.

According to the story: “Astronomers are monitoring an object headed our way that may have wandered over from another star system. The harmless object is currently near Jupiter hundreds of millions of ...

A new study of a star undergoing the throes of a supernova death has revealed that bursts of X-radiation known as fast-X-ray ...

The smoking gun of the creation of lithium in explosions on white dwarf stars may have been found, in a spike of gamma rays ...

Using a combination of telescopes, astronomers have characterized the closest supernova linked to a fast X-ray transient. The ...

A dramatic cosmic event, a rare dwarf nova that suddenly brightened by a factor of 2,500, has been discovered with the help ...

Elon Musk reiterates call to deorbit International Space Station and focus on Mars amid $1.25 billion allocation from Trump.

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 ...

Space.com sat down recently with retired NASA astronaut Terry Virts to talk about space, politics and his run in Texas for a ...

For the first time, astronomers have obtained visual evidence that a star met its end by detonating twice. By studying the ...

MUSE allows astronomers to map the distribution of different chemical elements, displayed here in different colours. Calcium ...