A shard of smooth bone etched with irregular marks dating back 20,000 years puzzled archaeologists until they noticed ...

As President Trump moves to revoke Harvard University's certification to enroll foreign students, he is falsely claiming that ...

As President Donald Trump moves to revoke Harvard University's certification to enroll foreign students, he is falsely ...

Four in 10 U.S. adults wish they learned more math skills in middle or high school, according to a new Gallup poll. An ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...