August 31, 2016, 6:25 p.m. by Bryan Nelson
A rock formation recently exposed in Greenland contains fossils that are 3.7 billion years old.
Giant reef with doughnut-shaped structures found 'hiding' behind Great Barrier Reef
August 31, 2016, 6:05 a.m. by Russell McLendon
The area is far more complex than we thought, scientists say.
Endangered frogs and toads given sanctuary in Sierra Nevada mountains
August 29, 2016, 8 a.m. by Jaymi Heimbuch
Nearly 3,000 square miles have been declared critical habitat for three amphibian species.
Yellowstone fires cause road closure into national park
August 25, 2016, 9:23 a.m. by Jaymi Heimbuch
The fires raging around Yellowstone and Grand Teton national parks are causing trouble for firefighters and tourists.
This giant pearl worth $100 million spent a decade under a fisherman's bed
August 24, 2016, 2:07 p.m. by Michael d'Estries
Discovered by chance by a Filipino fisherman, massive pearl was used as a good luck charm.
Clever animation reveals hidden cost of deforestation in less than 1 minute
August 19, 2016, 2:05 p.m. by Russell McLendon
'Biotop' offers a reminder that forests aren't just trees.
Stone circles that predate Stonehenge by 500 years align with sun, moon
August 18, 2016, 1:51 p.m. by Jaymi Heimbuch
Researchers prove that ancient Britons constructed the monuments with astronomical phenomena in mind.