A particular, high-pitched 'peep' is used by the primates across a number of contexts, much as is seen in human babies.
The finding suggests the different niches inhabited by the lizards have, incredibly, changed little over the past 20 million-year.
Discovery of the world's oldest known snake reveals that it lived among dinosaurs, evolved from lizards, and had four tiny feet.
While slow-moving fish could get away with absorbing oxygen through their thin skin, more active fish tended to be thicker-skinned so they had to find more effective ways to get their oxygen.
It’s extremely important to wear sunscreen when you’re outside, but did you know that some animals create their own sunscreen?
Eight-inch-long Grandfather turtle did not have a shell, but it had the makings of one.
An aggressive predatory fish covered with armor featured the most primitive teeth known to date.
Chimp chuckles and smiles are so similar to those of humans that scientists are rethinking the origin of laughter and smiles.
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