Bangkok, nine o'clock in the morning. The tropical heat is slowly settling over Thailand's capital like a damp towel.

Geckos are one of the most popular types of pet lizards on the market, and you can find Tokays, crested geckos, leopard geckos, and much more in any pet store across the country. These gecko names are ...

In 1969, two biologists wrote about three lizards from New Guinea whose insides were green. The color ranged from a deep blue-green to a vivid lime hue, and it was everywhere. The lizards’ bodies, ...

WASHINGTON (AP) — For some lizards it's easy being green. It's in their blood. Six species of lizards in New Guinea bleed lime green thanks to evolution gone weird. It's unusual, but there are ...

Green blood is weird enough. But now the first genealogical tree tracing green blood in New Guinea’s Prasinohaema lizards is suggesting something even odder. These skinks have been lumped into one ...