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

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

Co-author Martin Guerrero from the Institute of Astrophysics of Andalusia told Phys.org that debris from the shattered planet ...

The Helix Nebula, also called NGC 7293, is a natural wreath surrounding a dying star. This breathtaking image of the Helix Nebula was captured by NASA’s Spitzer Space Telescope. The Helix Nebula is ...

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

Discovered in the 18th century, the Helix Nebula, located about 700 light-years away in the constellation Aquarius, belongs ...

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

The Helix Nebula. Credit: X-ray: NASA/CXC/SAO/Univ Mexico/S. Estrada-Dorado et al.; Ultraviolet: NASA/JPL; Optical: NASA/ESA/STScI (M. Meixner)/NRAO (T.A. Rector ...

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 ...