On a tranquil summer evening, just as the sun dips below the horizon and darkness begins to settle, an ethereal spectacle ...

Cosmic rays may offer an out-of-this-world answer to a long-standing mystery about lightning on Earth, a new study suggests.Thunderstorms are exceedingly common; a staggering 3 million lightning ...

While sunsets on Mars are uniquely moody, NASA 's Curiosity rover has captured a stunning image of a martian sunset, featuring light rays that illuminated a bank of clouds as the sun set over the ...

The good news is that the jet stream is digging south, which will keep most of this storm away from the region, leaving Wednesday under a blend of sun and clouds, with cloud cover increasing ...