The whales from two family lines are shown supporting the labour during critical moments and lifting the newborn calf above ...

Scientists captured a rare sperm whale birth and found strong teamwork, communication, and social bonds in action underwater.

The team behind the feat plan to study uterine disorders and the early stages of pregnancy—and potentially grow a human fetus.

Being able to reproduce both sexually and asexually gives the dragons an evolutionary edge, Garcia says. If no mate is handy, a female can bear sons parthenogenetically—and when they’re older, they ...