Kummakivi is a 500-ton rock in Finland that has been balanced on top of another rock for 11,000 years.

Known as the Great Salt Desert, Dashout-e Kavir is a large desert located in the center of the Iranian plateau, 300 km east-southeast of Tehran. The desert is about 800 km long and 320 km wide, and is composed of...

56 years ago today, Wally Schirra and Tom Stafford lifted off on Gemini 6. They would go on to perform the first-ever rendezvous of two spacecrafts in orbit.

Paleontologists have discovered three new mammal species fossils from an ancient riverbed in southern Wyoming. / discovered three new fossil mammal species /. The new species of mammals lived thousands of years after the extinction of the dinosaurs 66 million...