Scientists have long puzzled over how pterosaurs became the first vertebrates to master flight. Some pterosaur species, such ...

The discovery that other vertebrates have healthy, microbial brains is fueling the still controversial possibility that we ...

Pterosaurs were the first vertebrates to achieve powered flight, but they remain the only major volant group to face ...

Massive and dense structures have been discovered beneath the surface of Mars, leaving experts intrigued.

A quarter of freshwater animals, including fish, insects and crustaceans, are at high risk of extinction due to threats ...

Palaeoloxodon turkmenicus greatly exceeded the size of modern African elephants. Adults grew to around four meters tall at ...

A new tally finds dozens of species giving food a second go-round, from babies boosting their microbiomes to adults seeking easier-to-access nutrition.

With a recent radioisotopic analysis of the fossil specimens dating the remains to around 230 million years old, this tiny ...

A record bowfin was caught on a NJ creek on a warm day last month. Bowfin are living fossils as they're last survivor of a ...

Although freshwater habitats cover less than 1 percent of the Earth's surface, they support 10 percent of known animal species.

LIMA, Peru — An "amphibious mouse" with partially webbed feet that eats aquatic insects was among 27 new species discovered ...