A striking photo was taken as an Australian tree frog opened its mouth to show a small snake's head, its jaws also gaping in what was perhaps its last gasp.
This discovery of one of South America's oldest human-made metal objects challenges the accepted idea that metalworking in the region originated in Peru.
Fossils from a giant sloth and a bison were unearthed last month during construction of a subway line extension near the La Brea Tar Pits, according to a blog about the LA Metro.
The transparent skin on the underside of a new species of frog discovered in Ecuador fully exposes its wee little, dark-red heart.
Recent alleged thylacine sightings have convinced scientists at James Cook University in Australia to investigate whether the species is still among the living.
The release of hundreds of thousands of documents covers a wide range of topics, from general CIA records and Cold War dispatches to instructions for mixing invisible ink.
New camera tech opens a window on the attack performance of vipers in the wild.
The two figures were found etched close together on a cistern wall, but they were likely created hundreds of years apart.
The yet-to-be-named spider can make itself look like a dangling, dried-up leaf.
The release of neurochemicals and hormones causes an increase in heart rate and breathing.