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

For over 40 years, astronomers have been puzzled by strange X-ray signals from the Helix Nebula’s white dwarf. Now, they may ...

A decades-old cosmic mystery may finally be solved. Scientists now suspect that the strange X-ray glow from a distant white ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad and ...

Discovered in the 18th century, the Helix Nebula, located about 700 light-years away in the constellation Aquarius, belongs to a class of objects called planetary nebulae. Check out these 7 ...

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 ...

After tracking a puzzling X-ray signal from a dying star for decades, astronomers may have finally explained its source: The old star might have destroyed a nearby planet. Dating back to 1980, X ...

This Hubble mosaic is the highest resolution image ever made of the entire Crab Nebula, which is located 6,500 light-years away. These opaque, dark knots of gas and dust called "Bok globules" are ...

Astronomers have been recording the signal for more than four decades, but this is the first time they've nabbed its origin. Share on Facebook (opens in a new window) Share on X (opens in a new ...