Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

Somewhere on Earth, species are vanishing faster than ever. The 2025 IUCN Red List update revealed that nearly 49,000 species ...

During the Early-Middle Devonian period, a large landmass called Gondwana—which included parts of today's Africa, South America, and Antarctica—was located near the South Pole. Unlike today's icy ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

The Earth officially lost at least six species this year, according to the IUCN Red List of Threatened Species. The list — an inventory of the global conservation status and extinction risk of ...

After decades of global conservation efforts, green sea turtles are rebounding. However, climate change and human pressures ...

A new analysis of more than 70,000 wild animal species reveals that climate change now threatens thousands of to the planet’s wildlife, along with overexploitation and habitat degradation. The study ...

At the Roman settlement of A Cibdá de Armea in northwestern Spain, archaeologists uncovered evidence suggesting that ancient Romans adorned their amulets with fossils of extinct marine arthropods, ...

This year, at least six animal and insect species moved to the Extinct category of the IUCN Red List of Threatened Species Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE ...