A pilgrim catches a cross after an Orthodox priest throw it into the water during an Epiphany ceremony to bless the sea in ...

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep.

Just when you thought you’d got a handle on the chemistry behind hydrogen fuel cells, researchers at the Fritz Haber ...

Since Dec. 16, Shasta, the state's largest reservoir—a massive 35-mile-long lake near Redding—has risen by 36 feet. On Monday, it was 77% full, at 129% of its historical average for this time of year ...