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 ...

NASA pictures and NASA news. Science articles on NASA programs. Latest images from Hubble Telescope and much more.

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 ...

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

A wrist-mounted checklist containing Gene Cernan’s handwritten instructions for repairing a damaged lunar rover fender sold for $510,000 in RR Auction’s Space Exploration auction, which closed Oct. 22 ...

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 ...

Space Missions to Venus, Mars, Saturn, Jupiter and the Moon. Learn about new space missions being planned. Read astronomy articles on recent space missions by NASA, ESA and more.

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 ...