Dramatic satellite imagery reveals the scope of the blaze — now as large as Manhattan Island and burning out of control. ...read more
Private ownership of wild tigers creates health issues for the animals and doesn't help conservation, since it's nearly impossible to confirm their lineages. ...read more
Thanks to overuse of water and drought, the lake has shrunk to a record low level, revealing lakebed sediments contaminated with toxic materials. ...read more
Different nap durations produce varying effects, but one study suggests naps can improve cognition. ...read more