3. 25 Facts About Geologic Time That Made Our Brains Hurt 4. How Do We Know? A Glimpse into Geologic Sleuthing 5. Our Fleeting Moment in Deep Time 6. Frequently Asked Questions What if we told you ...
A top panel of geologists has decided not to grant the 'human age' its own distinct place in Earth's geological timeline after disagreeing over when exactly our era might have begun. After 15 years of ...
Most of Earth’s earliest physical record is missing according to current geological evidence. The surviving fragments reveal ...
A new analysis of rocks thought to be at least 2.5 billion years old helps clarify the chemical history of Earth's mantle -- the geologic layer beneath the planet's crust. The findings hone scientists ...
Here's what you'll learn when you read this story: In geological layers around the world (particularly in the southwestern U.S.) roughly one billion years of rock are missing—a mystery known as the ...
Deep beneath Japan’s Kikai caldera, a massive magma reservoir is refilling 7,300 years after one of the most powerful ...
Earth’s surface is the “living skin” of our planet – it connects the physical, chemical, and biological systems. Over geological time, landscapes change as this surface evolves, regulating the carbon ...
For many years, Titan’s thick, methane- and nitrogen-rich atmosphere kept astronomers from seeing what lies beneath. Saturn’s largest moon appeared through telescopes as a hazy orange orb, in contrast ...
A new analysis of rocks thought to be at least 2.5 billion years old by researchers at the Smithsonian's National Museum of Natural History helps clarify the chemical history of Earth's mantle—the ...
A thin slice of the ancient rocks collected from Gakkel Ridge near the North Pole, photographed under a microscope and seen under cross-polarized light. Field width ~ 14mm. Analyzing rocks in thin ...
A thin slice of the ancient rocks collected from Gakkel Ridge near the North Pole, photographed under a microscope and seen under cross-polarized light. Field width ~ 14mm. Credit: E. Cottrell, ...