NASA will provide coverage as two astronauts step outside the International Space Station on Tuesday, Sept. 1, to replace a spacecraft navigational aid and complete several maintenance tasks in support of space station operations. Watch live coverage beginning at 7 a.m. EDT. The spacewalk is expected to start at approximately 8:30 a.m. and last about…

EDITOR’S NOTE: This story, originally published in December, was revised Aug. 26, 2026 with an update on a new phase of testing, including video from a recent test run and new images. To help NASA and commercial partners better understand the science of lunar landings, specifically the hazards that may occur when a lander’s engine…

At 17, Jeret Howard raised his right hand to serve his country as a United States Army combat medic in Iraq. This past summer, he raised his right hand again at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. Hired as a civil servant under the agency’s workforce directive to restore core competencies by…