Polar bears in the Barents Sea are staying fat despite rapid sea ice loss
Polar bears can struggle to adapt to climate change. Bears on Svalbard may be surviving on land prey and seals — but scientists warn it
Category: Science
Webb Zooms into Helix Nebula
A new image from NASA’s James Webb Space Telescope of a portion of the Helix Nebula highlights comet-like knots, fierce stellar winds, and layers of
Stone Age teenager was mauled by a bear 28,000 years ago, skeletal analysis confirms
The mystery of a Stone Age teenager’s death has been solved — 80 years after he was found in an ancient burial ground in Italy.
February 2026 night sky: What to see and what you need
The best of February’s stargazing events — with key dates and the must-have gear to see them at their best.
Drones could achieve ‘infinite flight’ after engineers create laser-based wireless power system that charges them from the ground
A new system will enable operators to use laser beams to top off batteries while drones are in midflight.
430,000-year-old wooden handheld tools from Greece are the oldest on record — and they predate modern humans
Archaeologists have found the oldest-known surviving examples of handheld wooden tools.
NASA is preparing for simulated launch of Artemis II mega moon rocket — and it could happen as early as Saturday
NASA has announced it will fuel the Artemis II rocket as part of a simulated launch that will take place as early as Saturday (Jan.
Days numbered for ‘risky’ lithium-ion batteries, scientists say, after fast-charging breakthrough in sodium-ion alternative
An innovative approach to battery materials could bring sodium-ion energy density and charging speeds far closer to those of lithium-ion, scientists say.
Humpback whales cast bubble nets to catch prey. They may be learning from each other
Humpback whales will sometimes use an intricate strategy to catch food called bubble-net feeding. A new study suggests they’re spreading the knowledge of how to
Whaling may have started 1,500 years earlier than already known
Specialized whale-bone harpoons from southern Brazil dating back 5,000 years suggest that Indigenous groups in the area were whalers.
Teenage girl who lived in Italy 12,000 years ago had a rare form of dwarfism, DNA study shows
In 1963, researchers unearthed two Stone Age skeletons that were buried in an embraced position in a cave in Italy. Now, DNA testing has revealed
Complex building blocks of life can form on space dust — offering new clues to the origins of life
The complex building blocks of life can form spontaneously in space, a new lab experiment shows.
Can AI detect cognitive decline better than a doctor? New study reveals surprising accuracy
Designed to assist rather than replace doctors, a new autonomous tool scans clinical notes to highlight patients who may need urgent follow-up for cognitive decline
Giving AI the ability to monitor its own thought process could help it think like humans
Today’s best AI systems don’t have a good grasp on their own thought process, but a new model might allow them to tap into metacognition