Climate change presents the gravest threat to life on Earth in all of human history. The planet is warming to a degree beyond what many species can handle, altering or eliminating habitat, reducing ...

Africa, south of the Sahara, is home to the richest diversity of animal life on the planet ... human control. Why is it so hard to tame the zebra? Survival of the Fittest. Zebra and other African ...

New Delhi: Have you ever imagined a planet entirely devoid of human life? The thought is both intriguing and unsettling. Could Earth continue to thrive in our absence? Tim Coulson, a professor at ...