NASA announced it had found the source of a helium flow blockage that forced it to roll the Artemis II rocket back from the launch pad at Kennedy Space Center and delay its lunar fly-by mission until at least April.

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Just a few days in simulated microgravity can subtly change the way women’s blood clots, sparking bigger questions about health monitoring protocols for astronauts who can spend six months or more in orbit, say Simon Fraser University researchers. First reported in 2020, an International Space Station mission detected an unexpected blood clot in a female […]

Astronomers have reported observations of a rare star system consisting of one star orbiting a system of three more tightly bound stars. This quadruple star system is described in a new study, published in Nature Communications, as the most compact quadruple star system observed to date, with all four stars fitting into an area the […]

The food flying aboard Artemis II is designed to support crew health and performance during the mission around the moon. With no resupply, refrigeration, or late-load capability, all meals must be carefully selected to remain safe, shelf-stable, and easy to prepare and consume in NASA’s Orion spacecraft. Food selections are developed in coordination with space […]

Using the Transiting Exoplanet Survey Satellite (TESS) and High Accuracy Radial velocity Planet Searcher for the Northern Hemisphere (HARPS-N), an international team of astronomers has discovered a hot sub-Neptune exoplanet orbiting a nearby star. The newfound alien world, designated TOI-5734 b, is about two times larger and nine times more massive than Earth. The discovery […]

United Launch Alliance was hoping to ramp up its new Vulcan rocket launches this year, but won’t be launching any national security missions until it solves a recurring issue of booster nozzles burning off the rocket on launch.

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Private companies are no longer peripheral participants in U.S. space activities. They provide key services, including launching and deploying satellites, transporting cargo and astronauts to the International Space Station, and even sending landers to the moon.

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This image, taken with ESO’s Very Large Telescope (VLT), seems to have captured a cosmic hawk as it spans its wings. While the dark clouds in the middle of the image make up the head and body of the bird of prey, the filaments extending away from the body to the left and right compose […]