SpaceX CEO Elon Musk claims only 6 to 8 refueling launches are needed for Artemis IV, contradicting NASA's safety estimate of 22 flights. Orbital refueling is the critical technical prerequisite for ...

Pushing mundane chores to physical extremes teaches more real science than sensible advice ever could—How To is for xkcd fans, curious non-scientists, and teachers who want engineering reasoning ...

Two astronauts who just embarked on a spacewalk a week ago are due to once again exit the International Space Station. How to ...

China has released its first step-by-step timeline specifying the years in which it plans to carry out missions leading to a ...

The investigation has shown a spherical bearing in the left pylon was the first part to fail. Multiple operators reported ...

The NASA Aerospace Safety Advisory Panel recently announced that, by their calculations, a Starship would require fully 22 in ...

Claims of 6-8 Starship Moon launches are circulating, but none are confirmed. See what is verified, what is rumor, and what ...

Captions auto-generated & unedited.] You have a definitive answer as to where the virus came from the heart of depend of ...

China's manned moon landing plan uses two Long March 10 launches and lunar orbit rendezvous, with a 3-person crew and a ...

My grandfather, Major General Holger Toftoy, ran the Army’s rocket program after the war. He brought Wernher von Braun and ...