An earthquake with a magnitude of 5.7 jolted 137 km north of Lae, Papua New Guinea, at 1329 GMT on Tuesday, the U.S. Geological Survey said. The epicenter, with a depth of 202.1 km, was initially ...

Scientists are rethinking what we knew about a vanished ice sheet — and that could spell trouble for New York City.

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PM Albanese's party holds slender lead 11:03 AM UTC United Statescategory Trump visa cuts and tariff hikes turn Chinese students away from American Dream 2:36 AM UTC Asia Pacificcategory New ...

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Voyager 1, shown in this illustration, has operated for decades thanks to a radioisotope power system. NASA via AP Benjamin Roulston, Clarkson University Powering spacecraft with solar energy may not ...