3I/ATLAS (C/2025 N1) is the third identified interstellar object, discovered on 1 July 2025 by the ATLAS telescope in Chile. It is on an extremely hyperbolic trajectory with a velocity of about 68 km/s and will reach perihelion on 29 October 2025 at 1.36 au, inside Mars’s orbit. It poses no threat to Earth. Early…
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In a Nature study, cancer cells were shown to siphon mitochondria from nearby nerve cells via microscopic tubes, a mechanism called mitochondrial hijacking that promotes metastasis. A separate Science News report described tumor DNA detectable in blood years before diagnosis, boosting early cancer screening prospects. An in vivo “exercise in a pill” approach in mice…
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JWST launched on December 25, 2021, aboard an ESA Ariane 5 rocket to the Sun-Earth L2 point, reaching about 1.5 million kilometers from Earth in January 2022. Its 6.5-meter segmented gold-coated beryllium primary mirror consists of 18 hexagonal segments, each about 1.32 meters across and roughly 20 kilograms, designed to fold for launch. JWST uses…
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