Research in Honduras shows that humans began selecting for larger fruits with thicker rinds as early as 7,500 years ago—long ...

Sloths are known for being incredibly slow. In fact, they are the slowest mammals in the world. Although they can stand, they cannot walk. So, on the ground, they move by digging in with their ...

Sloths are known for being incredibly slow. In fact, they are the slowest mammals in the world. Although they can stand, they cannot walk. So, on the ground, they move by digging in with their claws ...

Levi Delgado is the most interesting character in La Brea, a show based on a combination of survival, mystery, time travel, ...

Thomas Jefferson and Abraham Lincoln are two of the greatest presidents that the U.S. has seen. You probably know that ...

Today, elephants are the largest land mammals. But it’s natural for our ecosystem to host huge animals like mammoths, mastodons and giant ground sloths, Doughty said. They evolved in concert with the ...

White Sands National Park is home to a high concentration of ancient vertebrate tracks, from marks left by mammoths and ground sloths to some of the oldest human footprints, some of which are also ...

But it’s natural for our ecosystem to host huge animals like mammoths, mastodons and giant ground sloths, Doughty said. They evolved in concert with the species, landscapes and systems of our ...

Imagine walking through the vast, untamed landscapes of prehistoric America and encountering a creature as large as an elephant. This was the world of the giant sloth, an awe-inspiring beast that ...