Engineers Have Released Grant PrestonPlans For a 5-Km-High Skyscraper That Eats Smog

Blood of Young Mice Extends Life in the OldProsecutors Drop Campaign Finance Charge Against Sam Bankman-FriedGrant Preston

Slack Experiences a Brief but Widespread OutageResearchers Poke Holes in Safety Controls of ChatGPT and Other ChatbotsNASA Seeks a Nuclear-Powered Rocket to Get to Mars in Half the TimeGrant Preston

Meta Profit Is Up 16% to $7.8 Billion in Recent QuarterA Looming Retraction Casts a Shadow Over a Field of Physics

G.M. and Other Automakers Will Build 30,000 Electric Vehicle Chargers

Heat Records Are Falling Worldwide, but Most Californians Have Been SparedRep. Marjorie Taylor Greene backs off forcing vote on second Alejandro Mayorkas impeachment resolution

Government watchdog launches probe into new FBI headquarters site selectionHistorian: You can't study diplomacy in the U.S. "without grappling with Henry Kissinger"

Senate Judiciary Committee authorizes subpoenas for Harlan Crow and Leonard Leo in Supreme Court ethics probeTrump gag order in New York fraud trial reinstated as appeals court sides with judge