WASHINGTON — The U.S. is concealing a longstanding program that retrieves and reverse engineers unidentified flying objects, a former Air Force intelligence officer testified Wednesday to Congress.

Thank you to everyone who hosted watch parties and celebrated National Chemistry Week 2025 with us! If you were unable to attend live, ACS invites you to use the recording of this year's event ...

Why you should embrace it in your workforce by Robert D. Austin and Gary P. Pisano Meet John. He’s a wizard at data analytics. His combination of mathematical ability and software development skill is ...