Add Yahoo as a preferred source to see more of our stories on Google. Braving rare sub-freezing temperatures, Kennedy Space Center workers pressed ahead with a dress-rehearsal countdown Sunday, ...

A critical rocket test that will help determine when NASA can launch its first human moon mission in more than five decades appears to be on track after cold weather in Florida prompted a two-day ...

NASA's Space Launch System rocket developed for the agency's Artemis lunar program is among the tallest in the world. Here's ...

Braving rare sub-freezing temperatures, Kennedy Space Center workers pressed ahead with a dress-rehearsal countdown Sunday, readying NASA's huge Space Launch System (SLS) rocket for a critical fueling ...

NASA and contractor engineers pumped more than 750,000 gallons of supercold propellants into the agency's huge Space Launch System rocket Thursday without any signs of hydrogen leaks in a major step ...

NASA's giant moon rocket will soon be rolled back to the launch pad ahead of the Artemis 2 launch date in April. Here's how ...

NASA successfully completed a key fueling test for the Artemis 2 mission's rocket. The test, a launch-day simulation, avoided the hydrogen leaks that caused previous delays. Artemis 2 will send four ...

NASA's Artemis II rocket has rolled out to the launch pad after repairs, preparing for a historic moon mission in April.

CAPE CANAVERAL, Fla. — Technicians at Kennedy Space Center are working to resolve a liquid hydrogen leak discovered during a recent fueling test for NASA’s Artemis II mission. The issue surfaced ...

The mission, which will send four astronauts on a 10-day trip around the moon, has been delayed to at least March 2026. This test, known as a wet dress rehearsal, is critical for determining a new ...