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

The Helix Nebula is a so-called ... in the X-ray signal every 2.9 hours, providing evidence for the remains of a planet exceptionally close to the white dwarf. The authors also considered whether ...

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

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

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

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 ...

A composite image of the Helix Nebula. The white dwarf is visible as the magenta dot right in the center But now we might finally have an answer. According to a new analysis of data from several ...

The Helix Nebula is a so-called planetary nebula, which is the late stage of a star that has ejected its outer layers of gas and left behind a dimmer and smaller ember known as the white dwarf.

This color-composite image of the Helix Nebula was created from images obtained using the the Wide Field Imager, an astronomical camera attached to the 2.2 meter Max-Planck Society/ESO telescope ...

as the death knell from a planet that was destroyed by the white dwarf in the Helix Nebula,” said lead author Sandino Estrada-Dorado of the National Autonomous University of Mexico.