NASA Begins Installing RS-25 Engines on Artemis III Moon Mission Rocket

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NASA technicians started installing four RS-25 engines into the core stage of the Space Launch System rocket at Kennedy Space Center, Florida, on August 24. The engines are being fitted to the SLS rocket designated for the Artemis III mission, which aims to carry a crew into low Earth orbit in 2027. Each RS-25 engine carries a unique serial number that documents its individual flight history. The installation marks a significant hardware milestone in NASA's preparations for the crewed lunar mission.

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Comet PanSTARRS and a Rainbow Meteor Captured in APOD Image

NASA's Astronomy Picture of the Day for November 3, 2026 features an image pairing Comet PanSTARRS with a rainbow-colored meteor. The post is part of APOD's daily series, which pairs a featured cosmic photograph with a brief explanation from a professional astronomer. The source text provided is truncated, so further specifics about the photographer, location, and capture conditions are not available. The entry highlights the comet alongside the atmospheric meteor phenomenon shown in the picture.

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Super Typhoon In-fa Forms Unusually Large Eye as Champi Remnants Head Toward Alaska

The Pacific is experiencing an active storm season, according to NASA. Super Typhoon In-fa developed an unusually large eye. Meanwhile, the remnants of Typhoon Champi transformed into an extratropical storm. That system was tracking toward Alaska. The article does not provide further details on timing or impacts.

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NASA's Johnson Space Center Marks 65 Years of Human Spaceflight Leadership

NASA's Johnson Space Center in Houston is celebrating its 65th anniversary. The center was founded with a mission to focus on human spaceflight. Since its founding, it has supported the nation's crewed programs, from Project Mercury to Artemis. Johnson now serves as NASA's Center of Excellence for Human Spaceflight. The anniversary is being marked by looking back at the center's history alongside its current work.

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NASA Note Says Measured Hammer-Tap Inputs Remain Valid Despite Irregular Force Shapes

A NASA technical brief from Langley Research Center addresses instrumented hammer testing. It argues that such tests do not need to follow an idealized single half-sine force waveform. The authors note that crest ripples and separated contacts are acceptable as long as the full force and response are measured accurately. According to the brief, a change in force shape alters the excitation but does not by itself make the test record invalid. Contact details for lead contact Joel W. Sills are provided for further information.

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