Ukrainian President Volodymyr Zelenskyy refused to sign an agreement to grant the United States 50 percent of all future reserves of rare earth metals in Ukraine, according to news reports following a ...

The U.S. Air Force unit and its deadly missions in World War II are also the subject of a new Apple TV+ documentary.

Tango Flight works with high schools around the country giving students hands-on experience building a Van RV-12.

From the perspective of the helicopter cockpit, the lights of the incoming American Airlines jet could have also been ...

The construction of the new tunnel under the existing railway will break the original stress balance in the engineering area, resulting in the secondary redistribution of surrounding rock stress. The ...