Because they rely on hosts for a majority of functions, viruses aren’t considered alive. But entities like ‘Sukunaarchaeum ...

More than 35 species of falcons roam the Earth’s skies at present. But there used to be at least three others. Here’s the story of the confirmed falcon species lost to the world forever.

These are the rarest animals on Earth creatures so elusive, so endangered, that most people don’t even know they exist. From ...

Learn more about some recent rare animal encounters from around the world: ...

Sure, some animals have deadly toxins or surgically sharp claws, but these are active forms of defense. Camouflage is the only defense mechanism that’s passive, requiring little to no effort ...

Beavers The beaver, also known as Castor canadensis, is the largest rodent in North America, with some reported as big as 90 pounds and 3 feet in length. Beavers are most known for their four ...

The Nilgiri tahr is Tamil Nadu’s state animal, which is a rare and flexible mountain goat found in the Western Ghats. These animals are known for surviving in steep rocky terrains at high altitudes.

Cambrian Period creatures known as sea moths seemed alien because of their additional eye, but a study finds anatomical features more in line with modern animals. An artist’s impression of ...

Surprising to know is that this small mammal carries poisonous saliva that immobilizes worms. Not deadly to human beings, yet it proves that even underground animals can be dangerous.

Massachusetts isn't known for some of the dangerous animals other states are crawling with. You don't, for example, have to watch out for alligators like in Florida. Most, but not all, venomous ...

The Most Well-Known Animals with Aposematism One of the animals most recognized for its aposematism is the poison dart frog. This species is born in various colors, including red, orange, yellow ...

These 10 incredible animals once roamed Earth’s oceans, skies, and forests—but now they’re gone forever, victims of extinction caused by nature, human impact, and time itself. [extinct ...