We can study animals from all over the world thanks to science, but what about those that no longer exist? The list of extinct mammals could go on for ages, but each animal has a unique story. With ...

About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

The millions of species humans share the world with are valuable in their own right. When one species is lost, it has a ...

Long after an animal’s soft tissues have vanished, its skull still carries a blueprint of how it sensed the world. For ...

Some species officially bid us farewell this year. They may have long been gone, but following more recent assessments, ...

The tragic news of the loss of the world's last remaining northern white rhino begs the question: Can it be brought back?

A living database reveals why the global count of mammal species keeps changing - and why accurate naming matters for ...

The Christmas Island shrew, a species of cone snail (Conus lugubris), the slender-billed curlew, and three Australian mammals ...