Discover 15 amazing animals that were thought to be extinct but were found alive. These are nature's greatest comebacks.

Sometimes, nature delivers a surprise that feels almost miraculous. Scientists have confirmed that two small marsupial species — the pygmy long-fingered possum and the ring-tailed glider — are still ...

Fossilized remains of Laophis crotaloides, an extinct snake species from Greece, suggest it was significantly larger than ...

Marine biologists were stunned to discover living glass sponge reefs off British Columbia, previously believed extinct for millions of years. These ancient, self-building structures thrive by ...

The late 1900s were a time of rapid change for our planet, and unfortunately, some of its most unique inhabitants did not survive. Between the 1980s and 1990s, several animal species disappeared ...

Back in 1999, the BBC’s Walking with Dinosaurs series spawned a new format: wildlife “documentaries” featuring long-extinct animals. I’m a big fan of this genre, and Prehistoric Planet: Ice Age, made ...

Glass sponges may be one of the most peculiar creatures on the planet. These animals were one of the first complex lifeforms ...