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

The coastal marten is about the size of a ferret and lives in heavily wooded forests.

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 ...

Across the globe, a small number of animal species are now so rare that only a few individuals remain in the wild. Habitat ...

The fossils offer a rare glimpse into a cataclysmic event that brought a sudden end to the greatest explosion of life in our planet's history.

While the average person may believe we’re losing species faster than we can discover new ones, that may not be the case. A ...

While conservation efforts have bolstered the populations of many species considered to be threatened in 2025, many animal and plant species continue to dwindle in number, with some even going extinct ...

'Preserving butterflies is not just about preserving beauty and color, but about the stability and health of ecosystems on which we all depend,' says ecologist Dotan Rotem The post A third of Israel’s ...

At some point in the deep past, humans may have come frighteningly close to disappearing altogether. Here’s what we know, ...