Once more common than brown bears, cave bears didn't survive the last ice age. Could their sad end be down to their diet, or just to being bears of very little brain?
A team of AI bots were beaten at the video game Dota 2 by human players in June, but in 2019 they will return with a vengeance to become the world's best
An autonomous paraglider inspired by nature could be help military supplies, such as food or trucks, and airlift people to safety
What is the punk turtle’s secret power? Or the US Navy’s newest secret weapon? Find out how well you’ve been paying attention with our fun festive quiz
Dreaming can bring extraordinary ideas – if you can remember them. The 3rd article of our 12 Days of Culture explores the weird world of hypnagogic dreaming
Can you tell a guillotine calibrator from a combustion-powered clock? A Victorian roller skate from a laser roulette wheel? Take our antiques quiz to find out
We will start to learn what a host of ancient animal and early human remains really are, thanks to new techniques for analysing tiny fragments of fossil remains
Wealthy people donated 60 per cent more money when they received messages appealing to their personal power rather than their community-mindedness
We lament the loss of our connection to the light of stars and moon, but in the second of our 12 Days of Culture, a science-art exhibition imbues the moon with new meaning
What killed the dinosaurs? Does string theory count as science? Is Pluto a planet? Get embroiled in five explosive debates that have put researchers at each others' throats