Subscribe today and save an extra 5% with checkout code 'LOVE5' Engaging articles, amazing illustrations & exclusive interviews Issues delivered straight to your door or device ...

This story incorporates reporting from Yahoo, Space on MSN.com and MSN.NASA astronaut Suni Williams set a new record with a ...

When NASA detected an unidentified object orbiting the Moon, speculation ran wild. Was it an alien spacecraft? A secret ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

This is the last chance to catch the pair in conjunction this year—with Venus set to be unusually bright in the night sky.

Orbital dynamics show that President Trump’s pledge to land astronauts on Mars couldn’t happen until 2029 at the earliest.

NASA scientists have discovered organic content in the samples recovered from the asteroid Bennu, which points back to the ...