News Physics Living tissues are shaped by self-propelled topological defects, biophysicists findNeutron scattering helps clarify magnetic behavior in altermagnetic materialCan a chatbot be a co-author? AI helps crack a long-stalled gluon amplitude proofQuantum trembling: Why there are no truly flat moleculesPhonon lasers unlock ultrabroadband acoustic frequency combs Space These 70 dusty galaxies at the edge of our universe could rewrite our understanding of the cosmosIt's toys vs technology in the 1st 'Toy Story 5' trailer, and the toys have an army of Buzz LightyearsNASA X-ray spacecraft stares into the 'eye of the storm' swirling around supermassive black holesTrump says US government will declassify its UFO files. Will we actually learn anything this time, or is this a distraction?'This is really getting real.' NASA's Artemis 2 moon rocket fueling test went so well, astronauts could launch March 6 Astrophysics RSS Error: Retrieved unsupported status code "403"