The Space Launch System rocket's RS-25 engine was fired up for the “final round of certification testing ahead of production ...

NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 ...

Artemis 2's Space Launch System rocket core stage was fitted with 4 RS-25 engines at NASA’s Michoud Assembly Facility in New ...

NASA’s latest hot-fire of RS-25 engine No. 20001 roared for the full 500-second launch profile, proving it can blast the ...

The engine removed from the Artemis II rocket—serial number E2063—was built at NASA's Stennis Space Center by Aerojet Rocketdyne, now part of L3Harris, a Florida-based tech company and defense ...

Credit: NASA Artemis 4 Starting with Artemis 4, a small space station called the Lunar Gateway will circle the Moon in a six-day orbit and serve as a staging point for lunar landings.

NASA on Thursday postponed a mission to send four astronauts around the moon and back to Earth until April 2026. The move is the latest setback for Artemis, the government space agency’s return ...

Sky News has learnt that Artemis, which holds a 2.3% stake in Reaction Engines, intends to write down the value of its holding by approximately 75%.

Key certification tests for RS-25 engines used in NASA’s Artemis missions to moon done at Stennis Space Center on the Mississippi Coast.

Four, RS-25 engines, along with a pair of solid rocket boosters, launch NASA’s powerful SLS rocket, producing more than 8.8 million pounds of thrust at liftoff for Artemis missions.

NASA completed a full-duration RS-25 engine hot fire Wednesday, as the space agency continues testing the updated engines that will launch Artemis missions to the moon and beyond.

On Monday morning, NASA was set to launch its Artemis 1 mission, but the launch was called off due to a problem with cooling one of the engines. Here's the mission's current status.