Considering scientists find "lost cities" in the Amazon relatively frequently, it's not far-fetched to think a massive sloth may exist hidden away in the darkest jungle. Local tribes consistently ...

Despite being hailed as the kings of the jungle ... muscular animal that moved quickly despite its size. Hunting and poaching are the biggest causes of the rise in endangered lion populations.

After over a century of being considered regionally extinct, the South American tapir ... herbivores — which are the largest terrestrial animal in South America — had last been spotted in ...

Since there hadn't been a sighting in decades, scientists feared that the animal had gone extinct, The New York Times reported. Related stories The mountainous jungle echidna's call home Another ...

Scientists found that within a matter of decades around 1 million animal and plant species are now threatened with extinction according to a UN report. That same report was not all doom and gloom ...

UGANDA, — The critically endangered mountain gorilla is getting ... by hiking to them through the jungle. "The crazy thing about this trip is that it wasn’t something we planned for years ...

Chinese paddlefish. It was one of the largest freshwater fish (it could reach up to seven metres in length) and lived for more than 200 million years in the Yangtze River. It has vanished mainly ...