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

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

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

If confirmed, this would be the first case of a planet seen to be destroyed by the central star in a planetary nebula. Observations by ROSAT, Chandra, and XMM-Newton between 1992 and 2002 show ...

It is this detail that points to the potential presence of a planet extremely close to the star, one that could have even been destroyed by the white dwarf. And that's exactly what a new study ...

The team of cosmic homicide detectives determined a strange X-ray signal is the dying scream of a planet destroyed by a superdense stellar corpse called a white dwarf. The signal, which originates ...

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 ...