Glass Animals cap the longest trip to No. 1 in the 12-year history of Billboard's Hot Rock & Alternative Songs chart with "Heat Waves." Get the details.

Higher; Metabolism and adverse conditions Aestivation. Some animals can survive extreme conditions that are beyond the limits of their normal metabolic activity.

A crocodile whose striking yellow eyes lurk just above the mud in a Zimbabwe park earned German photographer Jens Cullman the grand prize in the World Nature Photography awards. With entries from ...