Italian astronomers report the detection of a new X-ray binary (XRB), which has received the designation 4XMM J181330.1-17511 ...

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

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

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

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

A not-so-distant white dwarf named WD 2226-210 has been on our radar since the 1980s for releasing X-rays, now we may know why ...

Astronomers using the European Space Agency’s XMM-Newton telescope have made an unexpected discovery—two supernova remnants ...

When scientists aimed the European Space Agency's X-ray observatory, XMM-Newton, at two mysterious lights on the outskirts of the Large Magellanic Cloud, they discovered an unexpected source ...

A new study used data from powerful X-ray missions, NASA’s Chandra X-ray Observatory and ESA’s (European Space Agency’s) ...

Wolf 359, a red dwarf star just 7.8 light-years away, could host planets, but extreme X-ray and ultraviolet radiation make ...

ESA's XMM-Newton followed up 18 days after the trigger. "We were chasing fleeting sources, when we came across this new spot of X-ray light in the SMC. We realised that we were looking at ...