Imagine waking up one morning and discovering that dinosaurs are no longer creatures trapped inside museum displays. They are ...

Every empire has a humble beginning, and none more humble than this one. Long before Tyrannosaurus rex crushed bones between ...

Shakajlura riojanensis, a newly discovered Triassic apex predator, ruled the land millions of years before the rise of giant dinosaurs.

Approximately 66 million years ago, a colossal asteroid struck Earth, generating catastrophic global temperatures. As ...

Sixty-six million years later, the story of the dinosaurs remains one of nature's most dramatic reminders that life on Earth can change suddenly and profoundly.

For more than 160 million years, dinosaurs dominated life on Earth. They survived shifting continents, volcanic eruptions, changing climates and countless evolutionary challenges, becoming the ...

Scientists once thought of dinosaurs as sluggish, cold-blooded creatures. Then research suggested that some could control their body temperature, but when and how that shift came about remained a ...

A couple of enormous sauropods go head to head. A herd of ceratopsia takes on a predator in a driving snowstorm. A pair of tyrannosaurs share a tender moment. All of these are highlights of the second ...

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 ...

Fine asteroid dust may have trapped intense heat near Earth’s surface, killing exposed animals and starting widespread fires. Animals that hid underground or underwater had better protection, which ...

Scientists have long speculated that the demise of the dinosaurs some 66 million years ago was due to starvation triggered by ...

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