Greenhouse gas emissions have steadily declined since 2005, despite a growing population. But the state expects that to start climbing again.

Sea fossils found on some of the world's tallest mountains are reigniting fierce debate over whether the biblical story of Noah's Great Flood could be rooted in real events.

As geopolitical tensions rise, a startling report has identified a handful of nations where life could remain remarkably unchanged even if a global conflict erupts.

Deep in the heart of Borneo’s tropical rainforests, a rare and mysterious living fossil lurks in the shadows: the earless ...

Marine fossils discovered near the summit of Mount Everest reveal that the world’s highest mountain was once part of an ancient ocean floor before tectonic collisions lifted the Himalayas.

Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a meter-long bony fish with jaws ...

A fossil skull barely 1 inch long has proved to be a newborn reptile from Brazil’s Late Triassic, a period more than 230 million years ago when early reptiles dominated land ecosystems. Its tiny jaw ...

But hiding along a stretch of Interstate 90 in Central Washington is a geological marvel that rivals anything you’d find on ...

Tiny fossil teeth from Colorado are revealing new clues about the very first relatives of primates, including humans.

Two species, believed extinct for thousands of years, were rediscovered alive in New Guinea, challenging our understanding of ...

Little Foot, a 3.67 million-year-old human ancestor, is getting a digital facial reconstruction after her skull was crushed in a cave.