Space Launch System

The Trump administration finds little room for science and aeronautics in its quest to return to the Moon.

After 20 years of development, an Orion spacecraft flies with crew for the first time.

CAPE CANAVERAL—After decades of development and false starts, NASA on April 1 launched the first crew in more than 50 years on a mission to leave Earth orbit and travel to the vicinity of the Moon.

With no technical issues and a favorable weather outlook, NASA on April 1 fueled the Space Launch System (SLS) rocket for liftoff between 6:24-8:24 p.m. EDT on the Artemis II flight test.

The agency wants commercial companies to take on a larger role in its Artemis lunar exploration initiative.

NASA has unveiled sweeping changes to its Artemis exploration initiative.

The fully stacked Artemis II Space Launch System rocket and Orion crew capsule were back on the launchpad March 20.

NASA finished a 23-day servicing of the SLS rocket in the Kennedy Space Center Vehicle Assembly Building and returned the rocket to Launch Complex 39B March 20.

After a roll back to its hangar for a repair and servicing, the Space Launch System rocket was being prepared for another launch try.

NASA has rescheduled the rollout for the Artemis II flight test to March 19.

NASA was aiming to return its Space Launch System (SLS) rocket and Orion spacecraft to Kennedy Space Center Launch Complex 39B on March 20.

NASA is now targeting liftoff of the Artemis II mission as early as April 1.

NASA plans to switch contractors to supply the upper stage for its Space Launch System (SLS) Moon rocket.

The new mission is intended to buy down risk for a Moon landing in 2028.

NASA is rebooting its Artemis lunar exploration initiative, adding a new docking mission and scrapping plans for heavier-lift Space Launch System rockets.

NASA is aiming to return the Artemis II Space Launch System (SLS) rocket and Orion spacecraft to its assembly hangar on Feb. 24, pending weather and rollback preparations.

An issue with the helium pressurization system on the Space Launch System's upper stage will cause NASA to miss Its March window for launching the Artemis II mission.

After 20 years of development, NASA’s Orion spacecraft will host astronauts for the first time on a flight test around the Moon.

NASA learned a lot about managing hydrogen leaks ahead of Artemis I, but another tanking test is needed before the next Space Launch System flies.

Countdown clocks at NASA's Kennedy Space Center began ticking down toward a simulated launch of the Artemis II Moon mission.

NASA said it is standing down from a planned Jan. 31 wet dress rehearsal of its second Space Launch System (SLS) rocket.

An RS-25 engine has passed a follow-up hot fire test, clearing it for installation on the NASA Artemis IV mission’s Space Launch System (SLS).

Our roundup of the main aerospace and defense stories making the news this week.

NASA’s second Space Launch System heavy-lift rocket, topped with an Orion deep-space capsule, was rolled out to its Kennedy Space Center launchpad on Jan. 17.

NASA is on track to roll out its second SLS rocket to the launchpad within about 10 days, a key step toward the first crewed flight of an Orion spacecraft.