The last time carbon dioxide in the atmosphere consistently matched today's human-driven levels was 14 million years ago, ...

Today, Earth’s air contains 420 parts per million of carbon dioxide (CO2), and the consortium of more than 80 researchers ...

Nov. 14, 2023 — New research sheds light on the dining habits of ancient carnivorous dinosaurs from Jurassic rocks of the USA. A recent study explores the bite marks ... Frogs Were Florida's ...

There is a long history of successful engagement between social science and classical studies. This new collection of essays surveys the current state of the new field of 'social science Greek history ...

December 4, 2023 • Just about every day there's a new headline about artificial intelligence. OpenAI Founder and CEO Sam Altman was forced out, and then dramatically returned to his post—all ...

A roughly 2,000-year-old woman with a potentially violent streak has emerged from skeletal rubble found on an island off southwestern England’s coast. A jumble of tooth and bone fragments in a ...

New discoveries show how whale diversity exploded after the dinosaurs disappeared Riley Black Science Correspondent The asteroid that struck the Earth 66 million years ago changed far more than ...

Egyptologists have discovered a 2,500-year-old tomb just south of Cairo containing numerous magical sayings meant to ward off snake bites. The tomb's entrance was covered with sayings aimed to ...

On solutions, the report walks a tightrope between optimism and urgency. The authors detail numerous state and local actions—a new stormwater code in Pittsburgh, for example, or water ...

How was the air breathed by Caesar, the Prophet Mohammed or Christopher Columbus? A giant freezer in Copenhagen holds the answers, storing blocks of ice with atmospheric tales thousands of years old.

The last time carbon dioxide in the atmosphere consistently matched today's human-driven levels was 14 million years ago, according to a large new ...