That means if aliens were to exist, and they were located some 66 million light-years from Earth, they’d theoretically still ...

Jason M Ramos/Wikimedia Commons/CC BY 2.0 Prehistoric Earth was a terrifying place, with giant, fearsome creatures roaming an equally deadly world of erupting volcanoes and primordial swamps. Survival ...

Ants trapped in amber reveal possible partnerships and parasites, offering a rare glimpse into ecosystems from nearly 100 ...

A new miniseries, narrated by Morgan Freeman, combines recent fossil research with cinematic reconstruction.

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The Jurassic Period lasted from about 201.3 to 145 million years ago. Evolution moved incredibly fast then, as did the creatures it created. In popular culture, we tend to think of dinosaurs as slow, ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. But we mammals did survive. The characteristics we now equate with “mammalness” are ...

Sixty-six million years ago, Earth’s balance shifted in a single strike. The asteroid impact set off firestorms, blocked out sunlight, and left food chains in collapse. Dinosaurs and countless other ...

3. 25 Facts About Geologic Time That Made Our Brains Hurt 4. How Do We Know? A Glimpse into Geologic Sleuthing 5. Our ...