Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.

Then along comes Musk, with one of the world's loudest microphones, shouting that NASA's astronauts are stranded and that ...

President Donald ... Trump when he ran against him for the Republican nomination for president in 2016, calling him a “con artist” and “the most vulgar person to ever aspire to the ...