Four male dolphins pursue a female dolphin at Shark Bay on the Australian Coast. (Simon Allen) (CN) — Of all alliances across the animal kingdom, those formed by bottlenose dolphins are the largest ...

CNN — If you've ever seen a production of "West Side Story," you'll be familiar with gangs of males, clicking their fingers in synch while seeing off rivals or prowling for a mate. Up until now, ...

A graphic nature video showing a female dolphin being violently mated by three males is causing an uproar in New Zealand — where complaints from viewers prompted a government watchdog to rule that the ...

REEDVILLE, Va. — Five decades ago, President Lyndon B. Johnson declared the polluted Potomac River a “national disgrace.” Although it is now much cleaner, officials in Washington are still not ...