Rubber boots are utilitarian and stout, but I've never found a perfect pair. Montana-based Sitka Gear is trying to change ...

Wash away dirt and debris—literally—with the easy-to-clean Ruggable doormat. Our expert product tester gives it her stamp of ...

The wet whirring sound of a firmly-lodged tire is one we all dread. It usually means we're going nowhere fast unless we have ...

Here’s how it works. Astronomers have discovered a supermassive black hole that's shooting a giant energy beam directly at Earth. The cosmic juggernaut, which is about as massive as 700 million ...

An artist's conception of a black hole's corona, which are the pale swirls above and below the black hole. Credit: NASA / Aurore Simonnet (Sonoma State Univ.) A strange black hole is making ...

An undiscovered population of ancient black holes may be lurking throughout the universe. These bottomless cosmic pits would have a lot in common with more familiar black holes; in some cases ...

According to the National Oceanic and Atmospheric Administration, a coronal hole is a dark area that can appear at any time and location on the sun. They emit ultraviolet and X-ray radiation but ...

Strange vibrations emanating from a supermassive black hole appear to be growing more frequent and they could be caused by a white dwarf star orbiting perilously close to its event horizon.

Using the XMM-Newton X-ray telescope, astronomers have witnessed a supermassive black hole already noted for its mysterious behavior demonstrating another strange phenomenon. The Massachusetts ...

"For such a faint and unknown target, we were not sure if we would get any data at all — but the strategy worked." Astronomers studying elusive supermassive black holes at the hearts of galaxies ...