At some point in the deep past, humans may have come frighteningly close to disappearing altogether. Here’s what we know, ...

Gene variants in red blood cell function may have doomed the hybrid babies of Neanderthals and modern humans. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

This academic has theorized about what would happen if humans became extinct and reveals who our successor would be.

Ancient sloths ranged in size from tiny climbers to ground-dwelling giants. Now, researchers report this body size diversity was largely shaped by sloths’ habitats, and that these animals’ precipitous ...

How did humans become human? Understanding when, where and in what environmental conditions our early ancestors lived is central to solving the puzzle of human evolution. Unfortunately, pinning down a ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

The fossils offer a rare glimpse into a cataclysmic event that brought a sudden end to the greatest explosion of life in our planet's history.