Humans will likely go extinct eventually, leaving behind a planet that has to adjust in their wake. While there is no true consensus as to what a human-free world will look like, there are a number of ...

A study published in 2023 suggests that nearly 1 million years ago, humanity almost ceased to exist. This potential mass extinction event was discovered by researchers when they began analyzing the ...

Yes, we might think we’re invincible and capable of doing everything on our own, like John Wayne or James Bond; that is, until we suffer a serious injury or illness, or reach old age. That’s when we ...

New research finds that the fertility rate needed to sustain a population is much higher than once thought, especially when sex ratios or mortality rates shift. This raises important questions for ...