This double-crested dino was an early top predator.
When it roamed what’s now North America during the Jurassic period, about 195 million
During the 19th century, settlers killed some 50 million bison for food, sport, and
During the 19th century, settlers killed some 50 million bison for food, sport, and
This chicken-size dinosaur had feathers and winglike limbs.
Scientists first described Anchiornis huxleyi in 2009 after finding a 150- to 160-million-year-old
This dino’s headgear likely impressed a mate.
roamed in what’s now western North America during the Cretaceous period, about 69 million
Check out how this dino was the fiercest predator of its time.
Allosaurus lived about 145 million years ago, during the Jurassic period.
This enormous marine reptile had a monster-size appetite!
monitor lizards, Tylosaurus proriger lived during the Cretaceous period about 85 million
Get the dirt on our planet and what makes it so awesome.
home to about 300,000 plant species, over 600,000 species of fungi, and about ten million
You’ll want to go to bat for these awesome mammals after reading about their supercool skills.
summer, Bracken Cave in New Braunfels, Texas, is home to a colony of more than 20 million
Get pictures and facts about eight awesome pictures from the Hubble Space Telescope.
This shot shows about 100,00 out of the 10 million stars in the star cluster known
You can boil them, bake them, deep-freeze them, crush them, dehydrate them, or even blast them into space. It doesn’t matter—tardigrades can survive practically anything. These eight-legged aquatic animals may be small, but they’re nearly indestructible.
FAST FACTS • Tardigrades have been on Earth for about 600 million years, about 400
