Ukraine and Russia agreed to pause attacks on energy infrastructure following a call between President Trump and Ukrainian ...

Elon Musk, the world's richest man, said he tried to buy rockets from Russia as part of his goal to get a manned mission to ...

A hospital in the city of Sumy in northeastern Ukraine was hit by a Russian drone on March 19, hours after Donald Trump and Vladimir Putin discussed a possible cease-fire by phone. Dozens of patients ...

After the end of the space shuttle program, NASA turned to private companies to fill the gap. That isn't working out for the ...

A four-member crew, including NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore, left the ISS early Tuesday on ...

Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...