A massive meteor struck near Manson, Iowa, 74 million years ago, creating the U.S.'s largest impact crater and reshaping the ...

Scientists have uncovered a surprising mechanism that may explain how Earth cooled dramatically after the age of dinosaurs.

Turtles today are often slow-moving, modestly sized creatures, but their ancient relatives were quite different. Long before ...

Scientists at the American Museum of Natural History investigated old specimens that had been at the museum for decades and ...

Marine archaeologists have uncovered the world’s largest medieval cog shipwreck in Danish waters, preserved for 600 years and ...

The bones are the first to be excavated in more than a century.

Ancient Antarctic Sea Monster May Have Laid This Football-Size Egg. A 68 million-year-old egg the size of a football — the ...

The vast majority of our planet’s oceans remain unexplored, hiding secrets that challenge everything we thought we knew about ...

A 66 million-year-old mystery behind how our planet transformed from a tropical greenhouse to the ice-capped world of today has been unraveled by scientists. Their new study has revealed that Earth's ...

From Niagara Falls to the Redwood Forests, state parks preserve many of the nation’s iconic landscapes and historic treasures ...

Divers have unearthed the largest cog shipwreck ever discovered in a strait off Denmark, signalling a period of economic development in medieval Europe.

The incredible number of shiny shell beads found in the Montelirio tomb reveals the power of an ancient female dynasty.