After tracking a puzzling X-ray signal from a dying star for decades, astronomers may have finally explained its source: The ...

Since the 1980s, a strange X-ray emission has puzzled astronomers. At the heart of the Helix Nebula, a dying star may have ...

The X-ray signal from WD 2226-210 is similar to the X-ray emissions of two other white dwarfs that do not sit within cocoons ...

Astronomers have detected mysterious X-ray signals coming from a nearby white dwarf star for more than 40 years. We may now ...

About 650 light-years from here, in the constellation Aquarius, lies the planetary nebula Caldwell 63, commonly known as the ...

"We might have finally found the cause of a mystery that's lasted over 40 years," said researcher Sandino Estrada-Dorado.

Co-author Martin Guerrero from the Institute of Astrophysics of Andalusia told Phys.org that debris from the shattered planet ...

Since they were first detected over four decades ago, unusually powerful x-ray emissions originating from the site of a dying ...

Astronomers have been recording the signal for more than four decades, but this is the first time they've nabbed its origin.

Space scientists say they have located a planet killer capable of ripping worlds to pieces. Researchers believe they've found ...

"We think this X-ray signal could be from planetary debris pulled onto the white dwarf, as the death knell from a planet that ...