Herpetologist Fred Kraus discovered a new arboreal snake species, Dendrelaphis atra, on Misima Island in Papua New Guinea.

In a remote forest of northern Myanmar, a 2-foot-long creature moved along the ground. Something about it caught the ...

At first, Kraus thought these black snakes were the same species as a nearby island, but the closer he looked, the more unique features he noticed. He realized he’d discovered a new species ...

This opsin expansion showcases how new sensory innovations can more or less re-elaborate visual functions previously thought to be lost." Though the species of sea snakes identified in this new ...

They turned out to be a new species: Dendrelaphis roseni, or Rosen’s tree snake. A Dendrelaphis roseni, or Rosen’s tree snake. Photo from and shared by Fred Kraus Rosen’s tree snakes are ...

Researchers say they're seeing more of these colorful blobs growing on docks, but they're not the only invasive marine ...