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Golden segments of the James Webb telescope mirror inside a test chamberSpace · Nov 8, 2026Beyond Neptune, 27 small objects shed light on the early Solar SystemHubble and James Webb have detected 27 small objects beyond Neptune. Their colours and sizes offer clues about collisions and the formation of the Solar System’s first solid bodies.Mosaic of little red dots observed in false colours.Space · Nov 8, 2026Little red dots: an X-ray clue in the young UniverseA very distant red object emits X-rays: an anomaly observed by Chandra and Webb that could shed light on the nature of the little red dots in the young Universe, without yet solving their mystery.The Hubble Space Telescope above Earth, photographed from Atlantis in May 2009.Space · Nov 6, 2026Hubble: why NASA is considering a new servicing missionNASA is consulting companies on extending Hubble’s mission or preparing for its end. Orbit, instruments, complementarity with Webb: what is at stake.Artist’s impression of TOI-561 b and its atmosphere above an ocean of magma; illustration published in 2025.Space · Nov 1, 2026TOI-561 b: how Webb is investigating the clouds of a lava planetA study of infrared variations from TOI-561 b favours a highly reflective atmosphere. Here is what Webb is actually measuring, what the models explain and what remains to be verified.Artist’s impression of WASP-17 b: a cloudy globe partially illuminated in space.Space · Oct 26, 2026WASP-17 b: Webb reconstructs a more extended atmosphere on the evening sideA transit-mapping method distinguishes several regions along the edge of the atmosphere. It refines measurements without providing a photograph or a complete weather report for this gas giant.Artist’s impression of the Euclid space telescope in a starry skyBasic science · Oct 2, 2026Euclid: 31 quasars to understand the Universe’s infancyThe Euclid telescope has discovered 31 very ancient quasars, including two observed when the Universe was just 670 million years old. How do these beacons reveal the first black holes?Golden clouds, stars and bluish jets in the star-forming region IC 348, observed in infrared by James Webb.Space · Sep 30, 2026James Webb: what IC 348 reveals about the birth of the smallest starsIn IC 348, James Webb has revealed brown dwarfs with masses of two Jupiters and newborn stars. Discover this infrared image, the HH 797 jets and the questions surrounding star formation.