The arrival of four new astronauts as part of the Crew 12 mission—Jessica Meir and Jack Hathaway of NASA, Sophie Adenot of the European Space Agency, and Andrey Fedyaev of Roscosmos—brought the total ...

But thanks in part to trees planted in areas where the two fungi don’t grow well, the American chestnut isn’t extinct. And efforts to revive it in its native range have continued, despite the long ...

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