NASA’s Chandra Reveals Star’s Inner Conflict Before Explosion

The inside of a star turned on itself before it spectacularly exploded, according to a new study from NASA’s Chandra X-ray Observatory. Today, this shattered star, known as the Cassiopeia A supernova remnant, is one of the best-known, well-studied objects in the sky. Over three hundred years ago, however, it was a giant star on […]

Meet NASA’s Artemis II Moon Mission Masterminds

As four astronauts venture around the Moon on NASA’s Artemis II test flight in 2026, many people will support the journey from here on Earth. Teams directing operations from the ground include the mission management team, launch control team, flight control team, and the landing and recovery team, each with additional support personnel who are […]

What is BioNutrients?

A series of biology experiments, called BioNutrients, is testing ways to use microorganisms to produce nutrients – off Earth and on demand – that will be critical for human health in space. Editor’s note: This article was updated on Aug. 19, 2025, to clarify which BioNutrients experiments in the series are completed and adds new […]

Human Rating and NASA-STD-3001

Human-rating is a critical certification process that validates the safety, reliability, and suitability of space systems—including orbiters, launch vehicles, rovers, spacesuits, habitats, and other crewed elements—for human use and interaction. This process ensures that systems are designed not only to protect human life but also to accommodate human needs and effectively integrate human capabilities. Human-rating requires […]