For over forty years, astronomers have been baffled by X-rays from the white dwarf at the center of the Helix Nebula. A white ...

A new image released by NASA shows what could be a captivating — and terrifying — event roughly 650 light-years away: a dying ...

A new view of the Helix Nebula reveals a dying white dwarf star at the nebula's center. This star's violent eating habits could be responsible for strange X-ray emissions in the region.

Powerful jets and radiation winds from two protostars are slamming into the nebulosity around them, sculpting the nebula.

Decades of constant X-ray emission from the Helix Nebula’s white dwarf suggest debris from a Jupiter-sized planet steadily rains upon the star.

This new ESO Very Large Telescope image shows the planetary nebula Fleming 1 in the ... likely that a very rare pair of white dwarf stars lies at the heart of this object. Their orbital motions ...

At the heart of the Helix Nebula, a dying star ... a planet destroyed by the white dwarf. This hypothesis is supported by data collected between 1992 and 2002, showing a constant emission with a ...