NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, ...

Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

NASA could be sending a crew on the Orion spacecraft out past the moon in less than a month if everything falls into place.

NASA has confirmed the upcoming milestones for its historic Artemis II mission—the first crewed flight of the Space Launch ...

For years, the Moon has sat quietly in the background of space news, always present but rarely urgent. That has begun to ...

Last year delivered doses of drama and excitement in the space business, with a record number of launches, breathtaking ...

Advocates for space science research are concerned about job losses and cuts to funding at NASA’s Marshall Space Flight ...

For the first time in more than half a century, humans are preparing to leave Earth’s orbit and head near the moon, with NASA ...

Which US rocket companies achieved the most during 2025? Once again, Ars Technica is here to provide some answers in the form ...

Dave Reynolds’ path to NASA is embodied by his childhood poster of the space shuttle’s Return to Flight initiative, which ...

SLS and the Orion spacecraft are fully stacked together inside NASA’s Vehicle Assembly Building (VAB) at Kennedy Space Center ...

NASA announced on Friday evening (Jan. 9) that it plans to roll the Space Launch System (SLS) rocket and Orion spacecraft ...