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Newsom Declares Emergency Over Wildfires

SAN FRANCISCO — Gov. Gavin Newsom declared an emergency Tuesday over wildfires burning throughout California as the state’s power grid operator pleaded with residents and businesses to continue conserving energy to avoid rolling blackouts. Steve Berberich, president and CEO of the California Independent System Operator, praised customers for astonishing conservation...

First All-Female Spacewalking Team Makes History

CAPE CANAVERAL, Fla. — The world's first all-female spacewalking team made history high above Earth on Friday, replacing a broken part of the International Space Station's power grid. As NASA astronauts Christina Koch and Jessica Meir completed the job with wrenches, screwdrivers and power-grip tools, it marked the first time...

Blackout in South America Raises Questions About Power Grid

BUENOS AIRES, Argentina — The huge blackout that left tens of millions of people in the dark in Argentina, Uruguay and Paraguay over the weekend raised serious questions about the vulnerability of the power grid in South America and brought criticism down on Argentina's leader. President Mauricio Macri promised a...