The PTB team compared their new clock to two other optical clocks—one based on strontium atoms and the other on ytterbium ions. These comparisons had relative uncertainties of 4.2 × 10⁻¹⁷ ...

More than 10 years later, I still get antsy when I think about the crew duty clock. I’d rather take a flight than a bus any day (or night) and don’t want to get stuck going through that kind ...

Get Joe Goodman’s newsletter: Enter your email to subscribe to Joe’s weekly newsletter, Sports Happy Hour: This is an opinion column. It felt a little like game day in Tuscaloosa on Thursday ...

The Roman Catholic cardinals from around the world gathering May 7 in Vatican City to elect a pope must untangle a complex web of issues as they consider candidates to lead the church's 1.4 ...

FIVE. ALL RIGHT, TED, THANK YOU. WE ARE FOLLOWING BREAKING NEWS IN LAWRENCE. YOU SEE THAT SMOKE THERE? LIVE SKY FIVE OVER A FIRE IN A THREE STORY BUILDING. THIS IS ON HOWELL COURT. YOU CAN SEE ...

That is, until this week. Dialing back the clock nearly a decade, Ledecky harkened back to the days of her presumed peak at the Tyr Pro Swim Series in Fort Lauderdale. The culmination of one of ...

TAKEN TO AN AREA HOSPITAL. FIREFIGHTERS IN KEENE WERE CALLED TO THIS HOUSE FIRE YESTERDAY. IT HAPPENED ON DALE DRIVE. OFFICIALS SAY THE FIRE HAD A HIGH POTENTIAL TO SPREAD TO OTHER HOMES IN THAT ...

While on ‘Late Night With Seth Meyers,’ the ‘Another Simple Favor’ star subtly addressed her ongoing legal dispute with her ‘It Ends With Us’ co-star and director. By Lexy Perez ...