NASA’s Space Launch System appears to have a finite shelf life. The Trump administration wants to cancel it after just three launches, while the preliminary text of a bill making its way through ...

The two solid rocket boosters flew in different directions as the external fuel tank became a fireball.(AP: Bruce Weaver / File) Forty years ago, the Challenger space shuttle disintegrated just after ...

A new version of SLS's solid rocket booster had a bit of a hiccup. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. An upgraded version of one of ...

Northrop Grumman and NASA conducted a dramatic static-fire test of a booster for an SLS (Space Launch System) rocket last week. According to NASA, the five-segment booster rocket fired for more than ...

Corrections & Clarifications: An earlier version of this story misstated the date of the Space Shuttle Columbia disaster. It occurred Feb. 1, 2003. For millions of Americans, it was an event that ...