Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

A new collection of research papers examines how humans conceptualize numbers and the numeral systems we’ve build around them ...

A funding measure to end the longest government shutdown in US history will head to the House. However, air travel woes due to the shutdown are set to continue. Follow for live updates.

A 4% reduction in domestic flights went into effect at 6 a.m. ET following an order last night from the Federal Aviation Administration. Follow for live news updates.

Flight delays are expanding as air traffic controller staffing problems persist despite mandated cuts to flights. About 800 flights have been canceled, and Transportation Secretary Sean Duffy warned ...

In 60% of races on Tuesday, there was only one option for voters, or for some roles, no candidate at all. Democracy only ...

Trump administration cuts more than 1,000 flights as government shutdown hits travel hard - Trump administration reduces ...

For those looking to combine the best of land and sea, the Crabcake and Shrimp Alfredo brings together Gulf shrimp, Cajun cream sauce, and crawfish crabcakes over fettuccine in a dish that somehow ...

A Sunday night kickoff won’t thrill some families with kids who are a key part of the Union’s customer base. But the game will be on traditional TV, and should start just after Eagles-Cowboys ends.