STARBASE, Texas—For the third day in a row, SpaceX engineers prepared to send the company’s massive Starship rocket into space Tuesday after a technical problem and bad weather grounded the test ...

NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 engines, recently passed a critical milestone that put the integrated system to ...

Col. Eileen Collins was the first woman to pilot and command a NASA space shuttle. Collins commanded the first flight after the 2003 Columbia tragedy, which also experienced a foam-shedding issue.