While the tetrapods initially still needed water to reproduce, the evolution of the egg and internal fertilisation led to the ...

A stone slab barely half a meter wide is shaking the foundations of evolutionary science. Embedded in the slab’s fine ...

The animal was around 2 ½ feet long (80 cm) and its feet has long fingers and claws, which are visible in newly discovered fossil footprints. (Marcin Ambrozik/Prof. Per Erik Ahlberg via AP) ...

The reptile that left the Australian footprints lived during the Carboniferous Period, a time when global temperatures were similar to today's, with ice at Earth's poles but a warm equatorial region.

WASHINGTON (AP) — Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. The discovery suggests that after ...