Pathfinder 1 looks like a blimp, but much bigger. It's part of a wave of interest in "lighter-than-air" or LTA aircraft.

President Trump has repeatedly threatened to pull the World Cup from Democrat-run cities—adding controversy to what should be a boost to tourism.

The Red Sox reliever joins a growing roster of stars already committed to represent the United States. Team USA opens WBC play March 6 in Houston.

United States coach Mauricio Pochettino is relishing his reunion with his mentor, Uruguay boss Marcelo Bielsa.

American ski star Mikaela Shiffrin is heading into her home races in Colorado next weekend as the overall World Cup leader on a two-event winning streak. Shiffrin dominated another slalom Sunday as she made it two convincing wins from two races in the discipline to start the Olympic season.

Mark Carney said the world can make progress on a range of issues without the US, and that consensus reached at a Group of 20 leaders’ meeting in Johannesburg.

Olympic fencer and multiple world champion Miles Chamley-Watson and fellow world class athletes are launching a World Fencing League in a bid to modernize one of the world’s oldest sports.