This startup’s nanotech is creating new materials for the energy transition

Key takeaways as China urges solidarity with Russia, India and other Shanghai Cooperation alliesU.S. ambassador to Russia meets with detained Wall Street Journal reporter Evan Gershkovich

Treasury Secretary Janet Yellen to go to ChinaPence says Trump administration would have kept U.S. troops in Afghanistan despite withdrawal deal with TalibanTransportation Secretary Pete Buttigieg says changes needed to manage airspace "more efficiently"

Pence says "I don't remember any pressure" on state governors after 2020 electionBiden's Iran envoy on leave, says his "security clearance is under review"

Chinese spy balloon didn't collect information while flying over U.S., Pentagon says

Transgender youth care bans blocked by judges in Kentucky and Tennessee but OK'd by North Carolina lawmakersFetterman "will be back soon," top aide says as senator undergoes depression treatment

Twitter users report glitches as links and images fail to loadTesla lowers prices on its Model X and Model S vehicles

Massachusetts woman killed in 1978 identified after DNA match from son who was 5 when she vanished: "It's a lot to process"Red tide is back in Florida, killing fish and impacting human health. Here's what to know about the toxic bloom.