Evolution rarely hits delete. Instead, it leaves behind living relics built for animals that no longer exist. Avocados are one of them.

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

In the footage, the little elephant rises awkwardly, legs akimbo and wobbling like jelly. In a touching gesture, the mother places her trunk under the baby’s body to help steady it as it trembles to ...