Search Results | geological period
Your search for "geological period" returned 115 results
Chicxulub Crater: Where the End of the Dinosaurs Began
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The Chicxulub meteor impact may have killed off the dinosaurs. Would they have lived if the meteor missed? Learn more about the Chicxulub meteor.
What Exactly Is the Eye of the Sahara, aka the Richat Structure?
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In the western Sahara Desert lies a natural wonder that has intrigued scientists and adventurers for centuries. Known as the Richat Structure - or, more commonly, the Eye of the Sahara - this massive geological formation resembles a giant eye.
The Big Dinosaur Debate: Is It an Apatosaurus or Brontosaurus?
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Apatosaurus was a sauropod of spectacular proportions. But there's a debate raging for decades about whether its genus should cancel out the Brontosaurus.
The Ultimate Moon Quiz
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Wolves supposedly howl at it, a fairy tale claims a cow once jumped over it and legends say if you look hard enough, there's a man in it. Yes, the moon has a prominent place in popular culture, but there's a lot you might not know about Earth's little orbiting friend. Why doesn't it have soil? Why is its gravity so important? And are we really thinking of going back soon?
What Are Geodes and Where Can You Find Them?
science.howstuffworks.com/environmental/earth/geology/geodes.htm
Imagine walking through a dusty, arid landscape when you stumble upon a seemingly ordinary rock. Its rough exterior might not catch the eye, but what lies within surely will. Geodes are one of nature's most spectacular treasures, offering a glimpse into the geological processes that shape our Earth.
The Largest Carnivorous Dinosaur May Not Have Been T. Rex
animals.howstuffworks.com/dinosaurs/largest-carnivorous-dinosaur.htm
They lived about 30 million years apart and never set foot on the same continent. Yet Giganotosaurus carolinii is always getting compared to the world's most popular dinosaur, the beloved and well-known Tyrannosaurus rex, both vying for the position of the largest carnivorous dinosaur in history.
The Real Dilophosaurus Makes the 'Jurassic Park' Version Look Tame
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Perhaps no other beast has been more wildly mischaracterized in popular culture than the crested predator Dilophosaurus.
How Landslides Work
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Landslides can be devastating, causing more damage than their triggers. Learn more about landslides and landslide causes.
10 Worst Ways History Has Repeated Itself
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As they say, if we don't learn from history, we're doomed to repeat it. And as these 10 historical events prove, humans seem to be more prone to repeating than learning.
Ankylosaurus: A Tank-like Herbivore With a Killer Club Tail
animals.howstuffworks.com/dinosaurs/ankylosaurus.htm
Ankylosaurus was a dinosaur with short, squat legs that allowed it to run at about 6 miles per hour - fast, but not fast enough to outrun a large carnivorous predator like Tyrannosaurus rex.