Harley-Davidson has always been known for big, loud motorcycles, so good handling may not be a quality you expect from them.

Harley-Davidson oil change kits include motor oil, a new filter, and a replacement O-ring for easy DIY motorcycle maintenance ...

For decades, NASA has dreamed of building a rocket powerful enough to take humans to Mars - and now, that dream might finally come true. The agency is developing a nuclear-powered engine that could ...

Creators reporting YouTube view drops since mid-August may be seeing the effects of an ad-block filter change that interferes with view logging, per YouTube Liaison ...

Defense Secretary Pete Hegseth, center, sitting with Chairman of the Joint Chiefs of Staff Air Force Gen. Dan Caine, third from right, and U.S. military senior leadership as they listen to President ...

Historically, the U.S. military has been an engine for cultural and social change in America. Defense Secretary Pete Hegseth’s vision for the armed forces he leads runs counter to that. In comments ...

Propulsion supplier Pratt & Whitney (P&W) has begun assembling a prototype engine that could eventually power the US military’s next-generation tactical aircraft. The RTX subsidiary is under contract ...

Researchers have invented a system that captures carbon dioxide from ocean water and converts it to succinic acid, a key monomer used to make the commonly used biodegradable plastic polybutylene ...