Across arid and semi-arid regions, the same paradox is unfolding. Groundwater levels are falling, droughts are intensifying, ...

Sponges are among Earth's most ancient animals, but exactly when they evolved has long puzzled scientists. Genetic ...

Lizards have the amazing ability to regenerate their lost tails. So why might they regrow two? Read here to learn more!

Sponges are among earth’s most ancient animals, but exactly when they evolved has long puzzled scientists. Genetic ...