The rich resources of Pacific kelp forests helped humans populate the Americas. Now depleted by as much as 95 percent, they ...

Beneath the white gypsum dunes of New Mexico, scientists have uncovered something remarkable—trails of footprints that ...

Previous theories suggested the iguanas had rafted from South America, crossed the Bering land bridge to Asia or reached Antarctica before rafting over to Fiji. Researchers had even suggested they ...

There are 45 different species of Iguanidae in the Caribbean and the tropical, subtropical and desert areas of North, Central, and South America, including the marine iguanas of the Galapágos and the ...

A new study suggests iguanas reached Fiji by rafting around 5,000 miles from North America ... add up with the land-bridge idea, as clear routes from the Americas via the Bering Strait or ...

Starting off the epic trek from the western coast of North America, these iguanas traveled ... through Antarctica or across the Bering land bridge. Understanding this type of water dispersal ...

Instead, iguanas could have traveled there more gradually, island-hopping and walking across ancient land bridges to populate ...

Biologists had speculated, based on a few fossils found in east Asia, that an ancestral ... They may have journeyed by land and sea from America via the Bering Land Bridge and on through Indonesia ...

The team estimates that those two groups split about 34 million years ago, a timeline that doesn't quite add up with the land-bridge idea, as clear routes from the Americas via the Bering Strait ...