Since 1805, the number of humans on Earth has skyrocketed from one billion to eight billion. Zoomed out, the growth appears positively parabolic. For everyone alive today, the present population boom ...

The idea that the human population might experience limits to growth was posed in 1798 in Thomas Malthus's "An Essay on the Principle of Population Growth" and has generated debate for over 200 years.

"A large proportion of human-wildlife overlap may lead to increased zoonoses or the spread of other diseases," researcher Deqiang Ma said.

Right now, human population growth is doing something long thought impossible—it's wavering. It's now possible global population could peak much earlier than expected, topping 10 billion in the ...

Perhaps an easier way to comprehend the rapid growth that has caused our population to double in less than 50 years is through a visual depiction of human population growth over millennia.

In particular, there is no mention of modern-day climate change, driven almost entirely by nonstop human population growth, especially in lesser-developed countries, and its consumerist demands.

As the world’s population grows, contact between humans and wildlife will increase in more than half of Earth’s land areas. A new study shows where the largest changes will occur.

Population growth rate is currently 0.9 percent—still increasing slowly—but by the year 2100, it is projected to be -0.1 percent. Here’s what that means.

Some Americans recognize the urgency of reversing the world’s human population growth, and only a few environmental organizations make overpopulation a top priority. For many people, the ...

The global human population has been climbing for the past two centuries. But what is normal for all of us alive today — growing up while the world is growing rapidly — may be a blip in human ...