Knowtex

Andy Revkin, the New York Times environment reporter and Dot Earth blogger, went for a row with his son Jack on Earth Day 2008 in Stuart, Florida. Jack had s...

Researchers said the extinct, flightless bird, which came from Jamaica and belonged to the ibis family, used its wings as a powerful club.

A flightless prehistoric bird used its own wings like nunchucks in combat with foes, researchers have discovered.

Film maker and writer Terry Jones discovers a colony of penguins, which are unlike any other penguins in the world.

Basketball and hockey have many mascottes, where they are come from? All the mascots of the four major sports and how they are divided among the animal kingdom.

A new study of a 150 million year old fossil of an Archaeopteryx has shown that remnants of its feathers have been preserved.

The evolutionary history of New Zealand's many extinct flightless moa has been re-written in the first comprehensive study of more than 260 sub-fossil specimens to combine all known genetic, anatomical, geological and ecological information about the unique bird lineage.