With conditions harsh enough as it was, Australia's first human inhabitants had to keep an eye out for nearly 20-foot apex predators.
What started as a friendly competition between biologists has since turned into an all-out explosion of cuteness.
Which came first: mountains or the creatures on them? Research on a tropical mountain paradise in Borneo helps answer that riddle.
The finding suggests the different niches inhabited by the lizards have, incredibly, changed little over the past 20 million-year.
T. rex and other big dinosaurs had teeth that were specialized for tearing through flesh and bone -- only one living animal has similar tooth structure. Can you guess which?
Discovery of the world's oldest known snake reveals that it lived among dinosaurs, evolved from lizards, and had four tiny feet.
About 48 million years ago, a natural miracle occurred: The first known “Jesus lizard” walked on water. Continue reading →
Meet the creatures with (we think) the most amazing things attached to their bodies.
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