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.

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 ...

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 ...

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The Anker Nebula Cosmos 4K SE (not to be confused with the older Cosmos Laser 4K) looks more like a tall car battery with a handle on top than the usual cube that's typical of room-to-room ...

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 ...

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Now, it's launched a campaign to fund what it calls a 4K high-definition quad-screen display unit, aimed at anyone who wants to work – or play – away from a desktop computer. Kickstarter ...

Buying the right camera, lens, accessory or software to suit your photography is really important. Our product reviews offer independent views with hands-on opinion and honest verdicts aimed to ...

From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...