All hail the woolly worm, harbinger of winter. The annual migration of the wooly worm caterpillar has begun, a sure sign that ...

But just how accurate are they in predicting Kentuckiana's winter season? Woolly worms are a type of caterpillar native to the United States and much of southern Canada. They're usually brown in ...

Woolly mammoths roamed the frozen tundras of Europe, Asia and North America until they went extinct around 4,000 years ago. Colossal made a splash in 2021 when it unveiled an ambitious plan to ...

Colossal Biosciences, known for its outlandish goal to resurrect the woolly mammoth by 2028, is claiming steady progress. Its evidence: genetically engineering mice to have mammoth-like fur.