For all their intelligence and agility, dolphins and orcas carry a secret written deep in their biology: they are, in all ...

CAIRO, Egypt — Egyptian scientists say the fossil of a four-legged prehistoric whale, unearthed over a decade ago in the country's Western Desert, is that of a previously unknown species. The creature ...

Whales are amazing creatures that have been swimming through the oceans for millions of years. What many people don’t realize, however, is that long before that, the ancestors of whales walked on land ...