The habitat of one of the world’s cutest endangered animals is being threatened by human-caused climate change. The Caspian seal is the only marine mammal found in the 143,200-square-mile Caspian Sea.

Jonny Kim earned his trident and stethoscope before launching with Sergey Ryzhikov and Alexey Zubritsky on Tuesday (April 8).

Federal and California state officials announced Monday a set of new inspection and quarantine requirements for the launch of ...