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one-third of Earth’s land surface, or more than 15 million
one-third of Earth’s land surface, or more than 15 million

Paleontologists are constantly learning new things about these ancient animals—in fact, scientists find more than 45 new dinosaur species each year! Check back here for all the latest dinosaur news.
For more than a million years, Tyrannosaurus rex ruled

This double-crested dino was an early top predator.
North America during the Jurassic period, about 195 million

Meet the tiniest dinosaur—so far.
hundred-foot-tall tree in what’s now northeastern China about 125 million

Discover why this ancient predator is known as the king of the dinosaurs.
Other species of tyrannosaurs existed for a hundred million

During the 19th century, settlers killed some 50 million
During the 19th century, settlers killed some 50 million

Scientists mixed up this dino with Brontosaurus.
during the late Jurassic Period, between about 156 million

This chicken-size dinosaur had feathers and winglike limbs.
Anchiornis huxleyi in 2009 after finding a 150- to 160-million-year-old

If you think of the eight planets as members of Earth’s family—friendly cousins who swing by regularly and never cause any grief—then asteroids are the total strangers lurking in the neighborhood. And like strangers, their visits aren’t always welcome. Asteroids are the rubble left over from the solar system’s formation roughly 4.6 billion years ago.
3 Scientists estimate that there are more than a million

Read about the dinosaurs uncovered in this story from Nat Geo Kids.
ByElisabeth Deffner Nearly 100 million years before