Trump again called on the United States to send astronauts to Mars in his speech to a joint session of Congress.

Billionaire Elon Musk of SpaceX threw his hands up in the air as Trump announced the U.S. would plant its flag on Mars. Trump’s enthusiasm for sending astronauts to Mars was shared by some ...

Donald Trump had boldly declared America’s ‘manifest destiny’ to plant the U.S. flag on Mars, envisioning the Red Planet as part of the nation’s territorial expansion. Backed by SpaceX ...

Credit: Jabin Botsford/The Washington Post via Getty Images President Donald Trump told lawmakers that U.S. astronauts will one day carry the American flag to Mars and beyond during a speech ...