"blue"

The legendary blues guitarist and singer, who died on Thursday, was the most recognizable and accessible icon of a sound that was in flux.

Decades after the threat of extinction led to them being protected from whalers, there are now about 2,200 blue whales off the West Coast, according to a new study.

Paleontologists in Argentina say they have unearthed the fossils of the biggest dinosaur ever to walk the planet.