Research from La Brea Tar Pits and Lake Elsinore has unearthed evidence of a dramatic event 13,000 years ago that transformed Southern California’s vegetation and caused the disappearance of iconic ...

South America is filled with mammals from North America, but why more didn’t survive the reverse trip has been a natural history mystery. By Asher Elbein Millions of years before humans set foot in ...

WASHINGTON - They just needed some legroom: New research shows the great dinosaur die-off made way for mammals to explode in size - some more massive than several elephants put together. The largest ...

GAINESVILLE, Fla. --- A University of Florida study demonstrates extinction's ripple effect through the animal kingdom, including how the demise of large mammals 20,000 years ago led to the ...

There's a new mega-mammal on the menu of America's first hunters. On a ranch in northwestern Sonora, Mexico, archaeologists have discovered 13,400-year-old weapons mingled with bones from an extinct ...

Dinophiles will want to check out Beyond the Dinosaurs!, Howard Zimmerman's follow-up to Dinosaurs! The Biggest Baddest Strangest Fastest in the same tall, skinny format. Vivid descriptions of beasts ...