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 ...

Helix Nebula’s X-ray emissions linked to planetary destruction White dwarf WD 2226-210 may be accreting planetary debris Researchers suggest a Jupiter-like planet was torn apart ...

In this image from NASA's Spitzer Space Telescope, "cometary knots" on the Helix Nebula show blue-green heads caused by excitation of their molecular material from shocks or ultraviolet radiation.

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 star V830 Orionis shines on the cloud of material left over from its formation, here seen as the NGC 1999 reflection nebula. The Helix Nebula is an example of a planetary nebula. Though it looks ...

Orion Nebula, a huge, star-forming nebula in the constellation Orion is an example of emission nebula. It is home to a star cluster defined by four massive stars known as the Trapezium. The Helix ...

The double-declining balance (DDB) depreciation method, also known as the reducing balance method, is one of two common methods a business uses to account for the expense of a long-lived asset.

Seamless looping animation of rotating DNA strands. Animation rotation of model DNA spiral from glass and crystal Digital DNA strand background. Abstract 3D glowing rotating DNA double helix. Concept ...

And that means double XP weekends are key. The harsh reality of classic Prestige sets in once you enter and everything gets reset to level one. It’s a bummer each time it happens, but that just ...