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

The remains recovered from the cave complex include the earliest example of Homo erectus - a direct human ancestor Two million years ago, three different human-like species were living side-by ...

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

Support science literacy this Giving Tuesday. Your Giving Tuesday gift will help advance our 100-year legacy of deeply sourced, independent journalism through Science News. Give today! Now through ...

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 ...

Incredible footage has provided a new view of the world's biggest iceberg as it begins its journey out into the Weddell Sea. The iceberg, called A23a, is around 1,540 sq miles in area - more than ...

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 ...

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 ...

Doctor Who is arguably one of the most famous stories about time travel. Alongside The Time Machine and Back to the Future, it has explored the temptations and paradoxes of visiting the past and ...

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.

In a sprawling, multimedia report that stresses it is not too late to act, the Biden administration on Tuesday delivered a sobering catalog of climate change’s impacts in every corner of the ...