Category: 7. Science
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Shenzhou XXI astronauts conduct first spacewalk, install debris shields
A screen image taken on Tuesday at the Beijing Aerospace Flight Control Center shows Shenzhou XXI mission commander Senior Colonel Zhang Lu (top) and spaceflight engineer Major Wu Fei (right) conducting their… -

Painting Galaxy Clusters By Numbers
X-ray: NASA/CXC/Univ. of Chicago/H. McCall
Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand individual galaxies and huge reservoirs of superheated,…
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Interstellar comet 3I/ATLAS’ journey through our solar system, in photos
Late last month, NASA’s Hubble Space Telescope tracked 3I/ATLAS when it was approximately 178 million miles away from Earth. Hubble’s instruments recorded the moving comet as a luminous point while the background stars appeared as streaks of…
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The James Webb Space Telescope just found the oldest supernova ever seen
The light of the oldest supernova ever seen, dating back 13 billion years to just 730 million years after the Big Bang, has been captured by the James Webb Space Telescope.
The supernova was accompanied by a powerful gamma-ray burst (GRB),…
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This super-bright star could be the next naked-eye supernova visible from Earth
An incredibly luminous star system that has long baffled astronomers could soon light up the sky with the nuclear brilliance of thousands of suns, new research suggests. When that happens, the results may be visible from Earth with the naked eye…
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Astronaut Jonny Kim safely returns from ISS, proclaims: ‘Love is the greatest thing’
Dec. 9 (UPI) — NASA astronaut Jonny Kim and Russian cosmonauts Sergey Ryzhikov and Alexey Zubritsky safely touched down in Kazakhstan on Tuesday after departing the International Space Station.
The trio returned to Earth aboard the Soyuz MS-27…
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University of Maryland School of Medicine Names Distinguished Scientist and Academic Leader Gerald M. Wilson, PhD, as Chair of the Department of Biochemistry and Molecular Biology
University of Maryland School of Medicine (UMSOM) Dean Mark T. Gladwin, MD today announced the appointment of Gerald M. Wilson, PhD, as Chair of the School’s Department of Biochemistry and Molecular Biology, effective December 15, 2025….
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Lunar Outpost’s MAPP Rovers: From Commercial Exploration to Artemis Integration
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Founded in 2017 in Golden, Colorado, Lunar Outpost has rapidly evolved from a commercial lunar mobility startup to a key player in NASA’s Artemis program. On December 4, 2025, the company announced its selection for the Artemis IV…
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New ribbon worm species contorts its body like an accordion
A long, thin ribbon worm from the coast of Spain can scrunch itself down to about one-fifth of its normal length, then stretch back out as if nothing happened.
That party trick, plus a strange pattern of body rings, helped scientists realize they…
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Painting Galaxy Clusters by Numbers (and Physics)
Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand individual galaxies and huge reservoirs of superheated, X-ray-emitting gas. The mass of this hot gas is typically about five…
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