NASA's X-59 quiet supersonic research aircraft has taken another successful step toward flight with the conclusion of a series of engine performance tests.

Ukraine war latest: Ukraine 'may or may not be Russian someday', Trump says as his aides prepare for Kyiv visit Donald Trump has speculated on the prospect of a Ukraine-Russia peace deal - as talk ...

As we reported earlier, Donald Trump has suggested that Ukraine "may or may not be Russian someday" (see 8.17am post). We've been keeping an eye on reaction in Ukraine, where the comments are ...

Two firms based in the United States have joined forces to develop unmanned aircraft systems (UAS) or drones that can fly at ...