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Toutes les dernières publications et actualités de la NASA, l'ESA, le CERN et arXiv, agrégées automatiquement. Aucune sélection éditoriale — la science brute, en temps réel.

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NASA
Communiqués officiels NASA — missions spatiales, découvertes, images du jourSite officiel →
NASA22 juillet 2026

NASA to Showcase Agency’s Newest Wind Tunnel in Virginia

Media are invited to NASA’s Langley Research Center in Hampton, Virginia, on Friday, July 31, to attend a media tour and ribbon-cutting ceremony for the Flight Dynamics Research Facility, the agency’s first new wind tunnel in more than 40 years. The event will include a brief med

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NASA22 juillet 2026

Robotic Servicing Mission Launches with NASA Support

Following its liftoff from Cape Canaveral on July 21 aboard a SpaceX Falcon 9 rocket, the Mission Robotic Vehicle (MRV) hosting the NASA-supported Robotic Servicing of Geosynchronous Satellites (RSGS) payload is now en route to geosynchronous Earth orbit, where it will use its ad

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NASA22 juillet 2026

NASA Sets Coverage for Astronaut Chris Williams, Crewmates Return

NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev are wrapping up their 241‑day mission aboard the International Space Station. The crew and its Soyuz MS-28 spacecraft will undock from the orbiting laboratory’s Rassvet module at 3:02 a.

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NASA22 juillet 2026

A New Look – and Sound – for Messier 94

NASA’s Chandra X-ray Observatory unveiled this new look at the galaxy NGC 4736, also known as Messier 94, on June 30, 2026. Messier 94 is a spiral galaxy with a bright inner ring around it, called a starburst ring, where new stars are forming, perhaps fueled by gas driven i

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NASA22 juillet 2026

Mapping Io’s Hidden Heat With NASA’s Juno

Description This graphic illustrates the areas of Jupiter’s moon Io sampled by the Microwave Radiometer (MWR) instrument aboard NASA’s Juno spacecraft during two close flybys. The black overlapping lines show the instrument’s footprints during Perijove 57 on Dec. 30, 2023, when t

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NASA22 juillet 2026

NASA’s Juno Peers Beneath Io’s Surface

Description This map represents data captured by the Microwave Radiometer (MWR) aboard NASA’s Juno spacecraft, indicating heat rising from just beneath the surface of Jupiter’s moon Io. While infrared instruments measure the temperature of the moon’s surface, the lowest frequency

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NASA22 juillet 2026

NASA’s Juno Takes Temperature of Jupiter’s Fiery Moon Io

Lee esta historia en español aquí.  NASA’s Juno mission has provided the first measurements of the temperature below the surface of Jupiter’s moon Io, revealing significant heating within the shallow subsurface of the most volcanically active world in the solar system. Colle

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NASA22 juillet 2026

NASA Joins Genesis Mission to Accelerate AI-Driven Discovery

NASA is supporting the Genesis Mission, a national effort to drive the use of artificial intelligence in tackling complex scientific and engineering challenges to advance a new era of discovery. President Donald J. Trump issued the Executive Order “Launching the Genesis Mission”

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ESA
Actualités de l'Agence Spatiale Européenne — Euclid, JWST, missions en coursSite officiel →
ESA20 juillet 2026

Plato's electronics ready for space

Image: The European Space Agency’s terrestrial planet hunter Plato has recently completed a series of key tests inside the Maxwell Test Chamber at ESTEC, demonstrating that its electronic equipment is fit to work in space.This photo captures the spacecraft standing inside t

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ESA17 juillet 2026

ESA’s Mars Express meets NASA’s Psyche

Image: Mars Express image

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ESA16 juillet 2026

Expedition Sound podcast series

Expedition Sound is a podcast series by the European Space Agency (ESA) in which you’re invited to explore the Universe through your ears. Guided by sonifications – the translation of data into sound – host Zsófi Szalavári travels from our Sun out into the depths of space to unc

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ESA15 juillet 2026

Replay of the online media briefing on the total solar eclipse

Video: 00:57:42 ESA experts explain the science of eclipses, including visibility and key opportunities for scientific observation.

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ESA15 juillet 2026

Metallic waves on ancient Mars

The European Space Agency’s Mars Express has spotted a swathe of metallic-looking waves filling Mars’s large Kaiser Crater – an ancient and otherworldly dune field sculpted by wind.

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ESA6 juillet 2026

Webb reveals millions of stars in nearby galaxy

In new images from the NASA/ESA/CSA James Webb Space Telescope to celebrate its fourth science anniversary, a familiar galaxy transforms into something far richer, and far more complex, than ever seen before. Webb’s unprecedented sensitivity across near- and mid-infrared wavelen

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ESA6 juillet 2026

Euclid discovers the most ancient quasar in the Universe

Lire l'article complet sur le site source.

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ESA1 juillet 2026

Webb studies how a planet survived the death of its star

An international team of astronomers has used the NASA/ESA/CSA James Webb Space Telescope to watch the Jupiter-sized exoplanet WD 1856 b transit its host star, measuring the planet’s mass and temperature and even detecting its atmosphere.They found that the planet is significant

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CERN
Dernières nouvelles du CERN — LHC, nouvelles particules, physique fondamentaleSite officiel →
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arXiv
Prépublications récentes en physique, astronomie et cosmologieSite officiel →
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Note éditoriale : Les contenus affichés ici sont récupérés automatiquement depuis les flux RSS officiels de la NASA, ESA, CERN et arXiv. Horizon Scientifique ne modifie pas ces contenus et n'en est pas l'auteur. Les liens pointent vers les sources originales. Les prépublications arXiv n'ont pas nécessairement été soumises à peer-review.