By reconstructing such a fine-scale evolutionary history of whales, scientists are confident that it will provide further insight into environmental changes and the development of strategies to ...

Once four-legged land animals, whales evolved from ancestors Pakicetus, which lived along ancient Pakistani shores ...

Researchers have identified a 33-million-year-old whale fossil that may represent the missing link between toothed and baleen whales, according to a study published today (November 29) in Current ...

Whales are weird. The Cetacea clade contains the largest animal to ever live—the blue whale—as well as other gigantic baleen whales and a diverse array of toothed whales, including dolphins, porpoises ...

One of the first cetaceans, Pakicetus, was a goat-sized creature that lived along the banks of lakes and rivers in present-day Pakistan. Although it looked nothing like a whale, Pakicetus displayed ...

As evolutionary biologist Neil Shubin points out, "In one sense, evolution didn't invent anything new with whales. It was just tinkering with land mammals. It's using the old to make the new." ...

How Pakicetus' descendants evolved into whales is one of the most intriguing evolutionary journeys known to science. What did the first whales look like? Pakicetus (pictured above) looked nothing like ...

“In the case of the humpback whale, the foetuses also show the presence of things that disappear before they are born. These things can tell us about the evolutionary history of whales.” “For instance ...

A mysterious whale that has puzzled scientists for decades may not be an anomaly, but a clue to what climate change is doing ...

Found on the southern coast of Peru, this amphibious creature had a tail and hooves and was the oldest preserved fossil of the kind in the region.