Sophisticated stone tools may predate humans, study suggests | CNN

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Meet the man who has transformed our understanding of evolution | CNN

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From China to Japan, deadly cold is gripping East Asia. Experts say it’s the ‘new norm’ | CNN

Hong Kong CNN  —  A deadly cold snap that is gripping East Asia has killed at…

Winter is more than halfway over, and many Northeast cities still await their first snow day | CNN

Editor’s Note: A version of this article originally appeared in the weekly weather newsletter, the CNN…

Trilobites armed with tridents could be the earliest known example of sexual combat | CNN

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What experts say about exercising when you’re tired | CNN

Editor’s Note: Seek advice from a health care provider if you have chronic sleep loss and…

Unusual dinosaur fossil discovery made in India | CNN

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A hairline crack became a 3-foot chasm. That’s when he knew they had to leave | CNN

CNN  —  For years, residents in the northern Indian city of Joshimath have complained to local…

FDA vaccine advisers ‘disappointed’ and ‘angry’ that early data about new Covid-19 booster shot wasn’t presented for review last year | CNN

CNN  —  Some vaccine advisers to the federal government say they’re “disappointed” and “angry” that government…

The ozone layer is on track to recover within decades as harmful chemicals are phased out, scientists report | CNN

CNN  —  In rare good news for the planet, Earth’s ozone layer is on track to…