Humans influence the evolution of plants and animals. Sometimes actively, sometimes indirectly. The case of the Tube mosquito ...

Quick Take Preserving the northern white rhino now requires overcoming functional extinction, as there are only two females ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Imagine looking up at a sky so full of birds, they block out light from the sun. Passenger pigeons (Ectopistes migratorius) used to fly in flocks of hundreds of millions, maybe even billions, of birds ...