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One of the sky's rarest phenomena is back: How to see rare night-shining clouds this summer

June 8, 2026
Rare noctilucent clouds shine above the city of Kennewick in Washington State June 2. (Image credit: John Clement.) Noctilucent cloud season has officially begun! One of the earliest sightings was captured by photographer John Clement, glowing in the skies over the city of Kennewick, Washington, on June 2, who had set out to capture a striking conjunction of Venus and Jupiter, which had…
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Interstellar comet 3I/ATLAS is not an alien spacecraft: SETI hunt for 'technosignatures' comes up empty

June 5, 2026
Sorry, true believers: It appears the interstellar comet 3I/ATLAS is indeed just a comet. Radio astronomers recently hunted for “technosignatures” coming from 3I/ATLAS, which is just the third confirmed interstellar object ever seen in our solar system. As expected, that search came up empty — but it still gathered valuable data, the scientists said. “The results from 3I/ATLAS…
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Scientists Want the Moon to Quarantine Mars Samples

June 4, 2026
A team of researchers is advocating to use the moon as a secure site for biocontainment of extraterrestrial samples, particularly those from Mars, but also from other potential worlds like Enceladus, a moon of Saturn. The researchers contend that our moon offers a naturally…
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Astrophotographer captures breathtaking view of 548 galaxies from a balcony

June 4, 2026
The Leo Triplet shines in deep space. (Image credit: ing. Cornelis van Zuilen) Astrophotographer ing. Cornelis Van Zuilen has shared a staggeringly detailed image of the galaxies known as the “Leo Triplet”, after spending 60 hours capturing the light of the cosmic heavyweights from his balcony in the Netherlands. The Leo Triplet is made up of the spiral galaxies M65, M66 and NGC…
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Unlocking 'the true space age': Impulse Space raises $500 million to build out fleet of ultra-mobile spacecraft

June 3, 2026
Impulse Space just got a lot more money to help finance its big ambitions in the final frontier. The California-based company — which was founded in 2021 by propulsion expert Tom Mueller, the first person Elon Musk ever hired at SpaceX — announced today (June 2) that it has raised $500 million in a “Series D” investment round. It will use the funds to scale up the production and…
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