Earth16 hrs agoAn Elizabethan mansion's secrets for staying warmIn a deadly cold period known as the Little Ice Age, clever Elizabethan designs kept a magnificent stately home unusually warm – with lessons for how we can heat our own homes better.16 hrs ago1 day agoMysterious 'iron bar' discovery in space may reveal Earth's futureCardiff astronomers say they don't yet know where iron bar detected inside the Ring Nebula came from.1 day ago4 days agoRare images of Europe's 'ghost cat'Wildcats are so elusive, they were thought to be extinct in parts of Europe. But they are making a comeback in some areas.4 days ago5 days agoThe undersea mountains where sharks ruleUnder the surface of the ocean, 100,000 towering mountains dot the Earth. Their violent currents are key to life.5 days ago8 Jan 2026The animals saved in ancient accidental 'arks'Shielded from development and agriculture, many archaeological sites from ancient Greece have now become inadvertent safe harbours for plants and animals.8 Jan 20266 Jan 2026The mineral riches hiding under Greenland's iceThe treasures beneath Greenland's icy terrain have been coveted for more than a century. But as Donald Trump becomes the latest to eye this wealth, accessing them remains a challenge.6 Jan 20263 Jan 2026The healthy protein many find revoltingBugs are a nutritious and sustainable source of protein. Why are we so squeamish about eating them?3 Jan 202630 Dec 2025The sounds revealing mysteries of deepest whalesBeaked whales are rarely spotted. Now scientists are using underwater sounds to help identify these elusive creatures.30 Dec 202527 Dec 2025The Galapagos bird thriving after 200 years lostFreed from the threat of invasive predators, Galapagos birds are performing astonishing feats of return and innovation – 200 years after Charles Darwin visited the archipelago.27 Dec 2025...