NASA Conducts Hot Fire of RS-25 Engine

NASA successfully conducted a hot fire of RS-25 engine No. 2063 on Jan. 22 at the Fred Haise Test Stand at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, clearing the way for the engine to be installed for the agency’s Artemis IV mission.   The RS-25 engines help power NASA’s SLS (Space Launch […]

TESS Status Updates

Jan. 23, 2026 NASA’s TESS Returns to Science Observations NASA’s TESS (Transiting Exoplanet Survey Satellite) entered safe mode Jan. 15 and returned to normal science operations Jan. 18.  The operations team determined the issue arose when TESS slewed to point at a target, but its solar panels did not rotate to remain pointed at the […]