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

The trek—from the North American desert to Fiji—now represents the longest known migration of any terrestrial animal.

But new research suggests that millions of years ago, iguanas pulled off the 5,000 mile (8,000 kilometer) odyssey on a raft ...

For decades, scientists have debated how Fiji’s iguanas arrived. Previous theories suggested that an extinct species of iguana rafted from the Americas without a clear timeline, while others ...

The iguanas' 8,000-kilometer trip — one-fifth of the Earth’s circumference — is the longest made by a flightless land vertebrate.