May 20, 2026

An illustration of the supermassive black hole Sagittarius A* at the center of the Milky Way. New research suggests that a nearby binary star system is creating small clumps of gas that are moving toward it. Credit: NASA, ESA, CSA, Ralf Crawford (STScI)

A double star near the black hole at the center of the Milky Way may be feeding it small gas clouds

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Observations and simulations led by the Max Planck Institute indicate that the star system IRS 16SW is creating compact clumps of gas, which are moving towards Sagittarius A* and contributing to its nutrition.
NASA's High Performance Spaceflight Computing Processor. The processor is designed to survive harsh space conditions and provide a leap in processing capability for future spacecraft. Credit: NASA/JPL-Caltech.

NASA is developing a new “brain” for spacecraft: an AI processor that will allow them to operate more independently

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The new processor is designed to allow spacecraft to analyze information, respond to unexpected situations, and make certain decisions without waiting for instructions from Earth. According to NASA, initial tests indicate a leap in performance compared to computers
Domesticated cattle in the Turkana region, Kenya. Credit: Catherine Grillo.

Study in East Africa: The transition from gathering to grazing did not immediately change human nutrition

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Isotope analysis of archaeological remains in Kenya and Tanzania shows that early pastoralists maintained a diverse diet for generations, before a more animal-focused diet became established.
The Shiloh Pool. Illustration: depositphotos.com

Research on an ancient dam in Jerusalem indicates that water crises were being dealt with as early as 3,000 years ago

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Researchers from the Weizmann Institute and the Israel Antiquities Authority have dated the Siloam Pool Dam to the late ninth century BCE. In a commentary article in PNAS, Prof. Guy Bar-Oz and Prof. Gideon Avni from the University of Haifa emphasize the importance of water security.
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