One of the ancient bird footprints documented by the researchers in Victoria state, southeastern Australia. The footprints are thought to have been made more than 120 million years ago.

Two species of ancient human relatives crossed paths 1.5 million years ago. Fossilized footprints in Kenya captured the moment, according to a new study.

In South Korea, a team of scientists uncovered fossil footprints of a bird-sized dinosaur from the early Cretaceous period. The discovery could add to scientific knowledge about the origin of ...

The six-million-year-old tracks of a giant carnivorous bird show that this hunter was not so different from its earlier dinosaur relatives.

A team of scientists found prehistoric animal footprints that indicate how creatures behaved in Oregon as far back as 50 million years ago.

Muddy tracks made by chimps provided a further comparison. Arches formed in human footprints when walking through mud look much like those left by H. erectus at the ancient lake, Hatala says.

Eggshells of large, flightless birds evolved along different tracks Studying the evolution of eggshells in living and extinct flightless birds such as emus and ostriches may provide insights on ...

The footprints reveal that reptiles existed about 35 million years earlier than previously known, showing that the evolution of land vertebrates occurred more rapidly than had been thought.

Brazil's geological service on Thursday announced a new species of dinosaur, a speedy animal that lived in the desert during the early Cretaceous period.