Currently, the UN estimates the world population to be about 8.2 billion, which is projected to peak at over 10 billion by the mid-2080. However, research, published in the journal Nature ...

The population of the world at the time of Christ was estimated at about 200 million. For 1,800 years, through plagues, wars and voyages of exploration, it remained roughly steady. The population ...

A new global survey finds that endangered sea turtles show signs of recovery in a majority of places where they’re found ...