Prehistoric fossils dating back to the Ice Age discovered in South Louisiana. What prehistoric animals used to roam Louisiana ...

For example, water levels rose more than 300 feet at the end of the Ice Age, flooding the cave system and preserving the remains of extinct megafauna. Humans likely didn't live in the caves, but ...

Scientists uncovered ancient avocado remains in a Honduran cave, offering genetic clues that could protect the crop from ...

Long before they were nature’s slowpokes, sloths were megafauna monsters — towering creatures capable of defending themselves and changing landscapes. This is the story of how evolution nerfed ...

Many of these mammoths and mastodons were huge, well over 1,000kg, but they were not alone. There were 16 types of ground sloths (one nearly as tall as a modern African elephant), giant marsupials ...

Marine megafauna, including whales and sharks, face increasing threats from human activities, impacting ocean ecosystems. A recent study by WHOI and ANU tracked these species to identify critical ...

Defecating exposes sloths to predators on the jungle floor. An unexpected ally benefits, and returns the favor. A brown-throated three-toed sloth peers over a tree's buttress root while defecating ...

New research I led sought to shed light on the issue. My colleagues and I gathered 30 years of satellite tracking data to map hotspots of megafauna activity around the globe. We tracked 12,794 animals ...

For centuries, people encountering sloths for the first time have reacted by ridiculing them. In 1526, Spanish conquistador Gonzalo Fernández de Oviedo y Valdés wrote that the sloths he’d seen ...

More information: Ana M. M. Sequeira, Global tracking of marine megafauna space use reveals how to achieve conservation targets, Science (2025).

Big animals of the ocean go about their days mostly hidden from view. Scientists know these marine megafauna—such as whales, sharks, seals, turtles and birds—travel vast distances to feed and ...