Former NASA astronaut Mike Massimino, known for his work on the Hubble Space Telescope and who flew on two space missions, has weighed in on one of humanity's biggest questions: Are we alone in the ...

NASA is looking for new ideas for moon landers to help its astronauts return to the surface of the moon as progress for SpaceX's Starship megarocket has come slower than hoped. Sean Duffy, NASA's ...