Millions tuned in for Artemis unmanned mission but left disappointed after a fuel leak twice caused postponement; next potential launch window between September 19 and October 4

Engineers scramble to fix malfunctions on rocket set to take off from Florida for moon orbit without astronauts; test flight part of project that could see humans on moon in 2025

Engineers fix fuel leaks and a sensor malfunction that canceled launch on Monday; 332-foot rocket will take off from Florida with no astronauts, go around moon

Next attempt may take place Friday at the earliest, or could be put off for several more weeks

Same malfunction pushed back scheduled test flight of spacecraft in April, which hosts demo of Israeli-made radiation suit; Friday is earliest date for next attempt

Space agency says no damage caused to launch site during storm, paving way for its most powerful ship to take flight with three test dummies strapped into capsule

James Webb took photos in July, capturing unprecedented views of planet's northern and southern lights, and swirling polar haze

Companies will leverage each other's expertise to develop lunar oxygen production and liquefaction plant

Company to test protective qualities of AstroRad vest on humanoid mannequin aboard Orion spacecraft, set for launch later this month

The prominent French physicist's attempt at humor did not go down well with his social media followers, forcing him to publicly apologize for the deceptive post