In an impassioned address to officials from countries supporting Ukraine, Mr. Zelensky said “a new chapter” would be starting for Europe and the rest of the world, requiring even more cooperation.

If New Glenn lifts off on Monday as planned, the Amazon founder’s rocket company will be on track to give Elon Musk’s SpaceX some genuine competition. By Kenneth Chang As astrotourism booms ...

The US will send half a billion dollars in military aid to Ukraine ahead of US president-elect Donald Trump’s return to the White House, the country’s top diplomat has announced. Speaking during the ...