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.
Naturally fermented palm wine appears to taste mighty fine to chimps that have invented leafy tools for drinking the alcohol.
It doesn't take much coaxing to get a chimp to pull out a pot or pan and cook, finds a new study.
Australia's invasive cane toads are tough to kill, so researchers tried making toadsicles: it's humane and effective, they say.
A top dino expert says we're '50 percent there' to reverting a chicken to a dinosaur.
The ultimate early bird pushes back the evolutionary record of modern birds by around 6 million years.
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