Cat-Sized Rodent Roamed Earth 2 Million Years Ago

A Giant, Human-Sized Rat Roamed the Earth 10 Million Years Ago

This Iguana-Sized Dinosaur Cousin Roamed Antarctica 250 Million Years Ago

Fossil Reveals Human-Sized Penguin Once Roamed New Zealand

This School-Bus Sized Snake Once Roamed Earth

This Creepy Dinosaur-Era Flying Reptile Roamed Earth Millions Of Years Ago

Dog-Sized Giant Rats Once Roamed Our Planet

Discovery Sheds Light On 'Mega-Carnivore' Dinosaurs That Roamed 200 Million Years Ago

This Strange Relative Of Dinosaurs Roamed Alaska 200 Million Years Ago

Giant Beavers Roamed Earth Thousands Of Years Ago

Newly Discovered Dinosaur Roamed Utah 150 Million Years Ago

This Bizarre Creature Roamed Earth 290 Million Years Ago

These Monster Worms Once Roamed the Ocean Floor 20 Million Years Ago

Study: Giant Bird Confirmed To Have Roamed The Arctic 50 Million Years Ago

Newly Found Feathered Dinosaur Roamed New Mexico 67 Million Years Ago

Strange Reptile Platypus Roamed Earth 250 Million Years Ago

This Strange Long-Necked Dinosaur Roamed Earth 110 Million Years Ago

Dinosaur That Roamed Canada 71 Million Years Ago Declared A New Species

This Fish-Eating Pterosaur Roamed Earth 100 Million Years Ago

This 26,000-Pound Dinosaur Roamed The Earth 200 Million Years Ago

Pitbull thinks she's every cat's mommy

Senior rescue cat is obsessed with mom

Rescue owl has sweetest reaction to toy

I adopted 'sumo wrestler' cat. Here's what happened.

Woman has best response when she discovers her dog is deaf

Cat was left at shelter for heartbreaking reason