Genetically Modified PigSCA Community ’s Heart Is Transplanted Into a Second Patient

Snap’s Sales Fall for the Second Time in a RowTikTok Introduces Text-Only PostsSCA Community 

G.M.’s Electric Vehicle Rollout Delayed by Slow Battery ProductionTech Firms Once Powered New York’s Economy. Now They’re Scaling Back.From Twitter tSCA Community o X: Elon Musk Begins Erasing an Iconic Internet Brand

Elon Musk Changes Twitter Logo to an XHow Do the White House’s A.I. Commitments Stack Up?

Lawmakers and Former Officials Press for Answers on U.F.O.s

Flipping a Switch and Making Cancers Self-DestructThese Ants Suit Up in a Protective 'Biomineral Armor' Never Seen Before in Insects

The World's Oldest Evidence of Animals Might Be From A Very Different OrganismScientists Detect 'Superbolts' 1,000 Times Brighter Than Typical Lightning Strikes

New Models Could Help African Countries Stop Locust Swarms Before They StartWere Dinosaurs Dying Out Before The Asteroid Hit? New Study Adds to The Debate