NASA's long-awaited Space Launch System (SLS) was tested in Mississippi this past weekend. The core stage of the rocket, which is the part that will provide the oomph to send missions into space, was ...

With launch potentially just three weeks away, the agency is working tirelessly to get the SLS rocket, Orion spacecraft, and ...

A critical test firing Saturday of the four main engines powering the first stage of NASA's gargantuan Space Launch System moon rocket is the final major hurdle before the fully assembled booster's ...

As the August launch date for NASA's first Artemis lunar mission approaches, Northrop Grumman has released dramatic video footage of a full-scale static fire test of the giant solid-fueled Flight ...

The Flight Support Booster 1 performs a static-fire test at a Northrop Grumman test site in Utah Sept. 2 to test new technologies and procedures intended for later SLS launches. Credit: NASA ...

Before the first major Artemis mission takes off, NASA needs to prove its huge rocket system is up to the task with a spectacular "Green Run" hot fire test. Freelance writer Amanda C. Kooser covers ...

The webcast begins at 4:20 p.m. EST (2120 GMT). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Update for 9:48 pm: NASA test-fired its first ...

NASA and Boeing test fired a gargantuan Space Launch System rocket for the second time Thursday, a full-duration eight-minute "hot fire" needed to clear the way for a long-delayed maiden flight late ...