Add Yahoo as a preferred source to see more of our stories on Google. Traffic crawls in both directions of the Harbor Freeway in downtown Los Angeles. (Luis Sinco / Los Angeles Times) Blanca Lucio ...

Scientists at MIT have directly captured signs of “second sound” in a superfluid for the first time. This bizarre phenomenon occurs when heat moves like sound waves through an unusual state of matter.

Noise pollution and excessive heat can seem inescapable in L.A. What would the city be without random bursts of fireworks and car sound systems thumping loud enough to shake you from your dreams? And ...

SEATTLE — A Heat Advisory is now in effect for the Puget Sound region and many areas along the Interstate 5 corridor. Residents from Snohomish County south to the Oregon border can expect temperatures ...