CAPE CANAVERAL—NASA is revising its Artemis lunar exploration initiative with a new mission to dock one or both human lunar ...

The pressure to fix SLS and get to a launch for Artemis 2 will build. If there is another rollback in April or new leak or valve issue in May or long repairs.

NASA's SLS rocket and Orion spacecraft face a rollback for repairs after last Thursday's wet dress rehearsal.

SLS still has helium leaks. Helium leaks have been a problem since the Space Shuttle days. It is so cold that it is hard to work with. The picture is of the ...

Liquid hydrogen fuel leaks forced NASA to delay the launch of Artemis II—the same scenario it encountered four years ago during the Artemis I mission. The sun sets as NASA’s crawler-transporter 2 ...

NASA's Artemis II rocket encountered a new helium flow issue which is likely to delay its early March launch. Here's what we know.

KENNEDY SPACE CENTER — Citing the proposed budget cuts by the Trump administration, NASA announced on Friday that after the Artemis III mission — where Americans will return to the moon — the rocket ...

NASA has about three weeks to complete repairs to the Space Launch System’s upper stage to make the next launch window for the Artemis 2 mission.

NASA made major changes to its Artemis lunar architecture, adding a test flight of lunar landers in Earth orbit while ...

After NASA announced a helium flow issue in the rocket, SLS has returned to the VAB. This further delayed the launch of ...

The Space Launch System rocket program is now a decade and a half old, and it continues to be dominated by two unfortunate traits: It is expensive, and it is slow. The massive rocket and its ...

NASA is now targeting March for the earliest possible launch of its historic Artemis II lunar moon mission, which will send four astronauts into deep space for the first time since the Apollo program ...