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Space exploration, observatory discoveries, and astrophysics stories from around the world.
It’s small, blurry, and shaped like a Corn Flake, but the image taken of Earth’s tiny “quasi” moon, Kamo'oalewa, is one for the family album.Continue ReadingCategory: Astronomy, Science, Refractor: Science & HealthTags: Asteroid, Moon, Tianwen-2, China
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A mystery written in light.ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.
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Euclid is only 1.5 years into its Euclid Wide Survey and has found 31 new quasars from the Universe's first 800 million years. Though the Survey isn't specifically aimed at finding ancient quasars, it's proving to be remarkably effective at it. This large sam…
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Something on Pluto and one of Saturn’s moons, Titan, absorbs light in a way unexplained by anything in spectroscopic databases.
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NASA’s Nancy Grace Roman Space Telescope is now listed by NASA for launch on August 30, 2026, a little earlier than the September 2026 timing that has appeared in some recent coverage. If the mission performs as forecast, the date matters because Roman will n…
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A 'super Earth' extrasolar planet is now thought to be a potentially habitable world able to support extraterrestrial life. Situated 25 light-years aw...
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Combining data from NASA's Chandra X-ray Observatory with advanced image-processing techniques to produce the sharpest X-ray view yet of the relativistic jet from M87's supermassive black hole.
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Gemini Gems let you create reusable AI assistants for the tasks you do again and again — here are five of my favorites and how to build them yourself.
Read storyMulti-million-dollar investment advances scientific instrument development and supports critical milestone toward completion of one of the world's most powerful telescopes Multi-million-dollar investment advances scientific instrument development and supports…
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Probing the dawn of the cosmos for clues to how the first galaxies and supermassive black holes formed is no easy feat
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A planet nearly 700 light-years from Earth now has one of the strangest weather forecasts in astronomy: cloudy mornings, clear evenings, and clouds made not of water, but of mineral material that can condense and disappear within the same planetary circulatio…
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Astronomers have discovered an extremely low-mass and dim dwarf galaxy around Andromeda. Called And 35, it's an Ultra-Faint Dwarf Galaxy (UFDG) and so far, the researchers have detected only 46 of its stars. Lambda-CDM predicts that there should be many UFDGs…
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