lizards, fish, and amphibians give live birth. An examination of some of these species’ gestation periods reveals that human mothers don’t necessarily have it the worst out there. Some sharks and even ...

To understand how species evolve, researchers need to crack open this black ... of white nail polish so we know not to catch it immediately after we let it go. At 8:30 p.m., with the Lizard ...

Each May, coinciding with the start of the breeding season, we visit Lizard Island to capture, study and release all adult anoles – a population that fluctuates between 600 to 1,000.

Fiji's bright-green lizards are the only iguanas outside the Western Hemisphere, and how they got there has been a long-standing mystery. In a new genetic analysis published Monday (March 17) in ...