Abstract: This letter introduces the design of a 4-phase quadrature clock generator (QCG) featuring digital automatic calibration. The QCG architecture comprises a duty cycle correction (DCC) circuit, ...

Artemis II bested the record set by Apollo 13 in 1970 by over 4,000 miles, reaching a “suspected” 252,756 miles from Earth, according to NASA.

Big news! Satoshi Nakamoto, the pseudonymous creator of bitcoin, has — maybe — been unmasked. Coupled with the recent revelation of Banksy's — maybe — true identity, two subjects have been swept from ...

Did you follow the news this week? Take our quiz to see how well you stack up with other Times readers. On Tuesday evening, after threatening to annihilate Iranian civilization, President Trump ...

Editor's note: This page summarizes news of the Iran war for Tuesday, April 7. For the latest on the war in Iran and the ceasefire deal, visit USA TODAY's coverage for Wednesday, April 8. President ...

A great hockey game. A new hit movie. A narrow escape. What do you remember from the week that was? Keep up with the news you need. Sign up for the 5 Things newsletter.