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How microbial fossils illuminate life's origins

More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas were acidic and rich in iron, and volcanic activity roared across a barren landscape. Yet, in this alien world, something extraordinary happened—life

Hoyer endorses former campaign manager as successor

Rep. Steny Hoyer (Md.), the longest-serving House Democrat, announced on Friday that he’s endorsing Maryland Del. Adrian Boafo (D), his former campaign manager, to succeed him. “With deep respect for his character, admiration for his experience & faith in his ability—I’m proud