Millions of animals are at risk, but what are the rarest animals in the world? These are some of the most endangered animals, ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

Climate change, overfishing, poaching and deforestation are just some of the man-made issues that have led many species to the brink of extinction ... animals; and organizations like the World ...

Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...

While the whale shark is certainly a big animal, it’s considerably smaller than the blue whale, Balaenoptera musculus, which is the biggest animal in the world. The largest ... rapidly and the species ...

In the world of scientific research, the biggest breakthroughs often start ... the obvious question of whether releasing an extinct animal into the wild is safe for the ecosystem.

which we’re featuring in this special issue on endangered wildlife. From National Geographic’s Photo Ark and Joel Sartore, Vanishing: The World’s Most Vulnerable Animals is available where ...

Animals are disappearing ... of shrinking habitats. Their biggest threat: humans. No trace of the wild South China tiger, Panthera tigris amoyensis (critically endangered, possibly extinct in ...