Diagnostic dilemma quiz: Can you guess the diagnosis in these strange medical cases?
Based on our “Diagnostic Dilemma” series, this quiz tests your medical know-how.
The easiest constellations for beginners to spot in winter (and what you need to see them)
From Orion and Taurus to Auriga and Perseus, here are 10 easy sets of stars to find in the Northern Hemisphere’s winter night sky.
Coconucos volcanic chain: Colombia’s stunning cluster of volcanoes, lost in an otherworldly landscape
The Coconucos volcanic chain is a mountain ridge dotted with at least 14 volcano craters, including one that is active and erupted in December 2025.
Octopuses could ‘take over the world and build underwater cities’ one day
Imagine something along these lines (Picture: Getty Images) Professor Tim Coulson could never imagine his dog inheriting the Earth, building a city of kennels with
Thailand and Cambodia agree on ceasefire, Cambodia Defence Ministry says
Agreement follows talks aimed at ending weeks of deadly clashes along the Thailand-Cambodia border.
Russia using Belarus territory to bypass Ukraine’s defences, says Zelenskyy
Ukrainian leader accuses Belarus of helping Russian forces to circumvent defences that protect Ukraine from attack.
Over 1,500 flights cancelled as winter storm Devin hits US holiday travel
More than 40 million Americans under winter storm warnings or weather advisories as heavy snow expected.
Libraries to host community events over winter
The sessions in December and January aim to bring people in Wolverhampton together during the colder months.
Illegal teeth-whitening industry exposed by BBC
A BBC investigation finds kits on sale containing more than 500 times the legal limit of bleach.
Study: Long-term use of CBD supplements lowers aggression in dogs
Dogs who are given supplements containing cannabidiol, or CBD, over a period of years show lowered aggression levels, a new study claims.
Magnesium: Can this ‘miracle mineral’ really help us sleep?
The global market in this supplement is worth almost £3bn – a figure set to nearly double over the next decade.
Ars Technica’s Top 20 video games of 2025
When we put together our top 20 games of last year, we specifically called out Civilization 7, Avowed, Doom: The Dark Ages, and Grand Theft
Trump’s claim US airstrikes in Nigeria hit ISIS targets ‘sketchy’, presidential adviser tells Sky News
A special adviser to the Nigerian president has told Sky News details about who the US hit in Christmas Day strikes in the country were
Russia-Ukraine war: List of key events, day 1,402
These are the key developments from day 1,402 of Russia’s war on Ukraine.