A seven-million-year-old fossil may mark the moment our ancestors first stood up and walked.
A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.
NPR's Jan. 6 coverage includes a database of all the charges filed against more than 1500 defendants. It's now one of the only places that information is publicly accessible.
We may learn more about Jeffrey Epstein's dealings with Les Wexner, the 88-year-old billionaire whose money and influence have shaped Columbus.
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