And still more eat insects — a common brown bat can consume a thousand mosquitos an hour! You definitely want those around ...

Competitive swimmers know that swimming underwater causes less drag resistance than swimming at the surface. Splashing around ...

This is only the second time the species has been recorded while alive. “I thought it was A.I.,” says fish biologist Kory Evans.

New research by my colleagues and I has found evidence that many air-breathing marine animals know this too – or rather they have evolved swimming behaviour that minimises wasted energy on long ...