What makes the discovery stand out, researchers say, is how it was made: by detecting the cloud’s faint glow in far-ultraviolet light ... a gas-filled cavity in space that surrounds the solar system.

After the sun dips below the horizon, some places around the world begin to light up. These spots come alive with soft glows ...

Named Eos, after the Greek goddess of the dawn, the cloud was found lurking some 300 light-years from our solar system and is as ... is literally glowing in the dark,” she added.

It's not LED light, but paint. And not just glow-in-the-dark paint, but a special kind of paint that turns on and off by reacting to an electric charge. It can be applied to any surface in any ...

The dark cloud shown here stretches an estimated 180 light-years across, or more than 60 times wider than our solar system, and contains the equivalent mass of 250,000 suns. You may like ...