Since most iguana species live in the Americas, biologists have long debated how they could have arrived on the remote ...

A new study suggests Fiji's iguanas came from North America around 34 million years ago by floating some 5,000 miles. It's the longest-known dispersal of any land animal. So how did they do it?

But new research suggests that millions of years ago, iguanas pulled off the 5,000-mile odyssey on a raft of floating ...