Nature is full of evolutionary selflessness. From deep-sea octopuses to certain marsupials, there are animals and insects ...

What are some animals that give birth to huge numbers of offspring at once?” (Watch a female sea urchin produce millions of eggs.) The mola, or ocean sunfish, looks like an animal cracker someone bit ...

Gastric-brooding frogs incubate their eggs in their stomachs, as the name suggests. Doing so involves neutralizing the acid that usually sits in there to help digest their food, and ends with ...

Okapis are the only living relative of the giraffe and are considered one of the world's oldest mammals. They're also ...

In the wild, some parents welcome hundreds, even millions of babies at once and often rely on numbers for survival. Here are ...

World Sloth Day 2025 highlights the most fascinating facts about sloths, from their unique digestion and slow-paced lifestyle ...

Forget eggs! Many snakes surprise us by giving birth to live young, a clever survival tactic in harsh environments. From the ...

Despite knowing a cow on the South Dakota ranch was pregnant, one family woke up early one morning to a once-in-a-lifetime miracle: healthy, quadruplet calves. Liv Stavick told Newsweek via email that ...