It hasn't been spotted in the Atlantic Forest for over 100 years. Hidden trail cameras capture footage of South America's ...

From the megalodon to the Patagotitan mayorum, some of the world’s largest animals have appeared and gone extinct over the course of evolution. Regardless of size, there has always been a ...

Sometimes history surprises us with unexpected discoveries. In Rio de Janeiro (Brazil), cameras from the State Institute for ...

While many of Earth’s earliest life forms have long since gone extinct, some animals have stood the test ... They are also the largest amphibians. The Andrias salamanders have retained many ...

Animals are disappearing at hundreds of times the normal rate, primarily because of shrinking habitats. Their biggest threat ... possibly extinct in the wild), has been seen for more than a ...

Eurasian elk are one of the largest deer species on the planet ... This already huge mammal actually has an even bigger extinct ancestor. The Irish elk roamed across Eurasia during the last ...

It was one of the largest freshwater ... modern elephant, went extinct about 10,000 years ago during the last ice age. But a company, Colossal, is trying to create a new animal similar to the ...