Our beloved planet has seen giants that dwarf most animals alive today. These massive creatures lived across different time ...

Twelve non-dinosaur rulers show Earth’s old power: armored fish, giant insects, sky titans, sea kings, and saber teeth across ...

With only fragments of evidence and massive unexplored habitat, the saola may still exist despite a decade of silence.

Today, Earth is home to animals of all shapes and sizes, from nearly microscopic creatures like tardigrades to 80-foot-long (25 meters) blue whales. These organisms have arisen and evolved over ...

The fossils offer a rare glimpse into a cataclysmic event that brought a sudden end to the greatest explosion of life in our planet's history.

Nature is full of surprises, but few are as fascinating as hybrid animals, creatures born from crossing two different species ...

It may not be the robots that will rule Earth when humanity goes extinct. Experts say that octopuses are the most likely creatures to take over the world should humanity end — and it’s due to the ...

For many years, scientists believed that life in Utah’s Great Salt Lake was extremely limited. Its caustic, hyper-saline ...

When considering the fastest animals on Earth, size seems like it should matter. Yet the cheetah, weighing around 50 ...