An extreme (G5) geomagnetic storm hit Earth last weekend, delighting viewers as far south as Florida with green and red curtains of light.
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Space News & Blog Articles
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A severe geomagnetic storm has just hit Earth — which means we could see auroras tonight! Here's what you'll need to know.
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The waxing Moon this week travels eastward from the horns of Taurus past the heads of Gemini, the Beehive in Cancer, then the forefoot of Leo on its way to occulting Beta Virginis.
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A new visualization from NASA takes the viewer on a one-way journey into a black hole.
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Are you excited about Comet Tsuchinshan-ATLAS's prospects for a bright appearance this autumn? Guess what? It's already gorgeous.
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Is GRB 191019A a typical burst of gamma rays from a dying star, an anomalously long burst from colliding objects, or something else entirely?
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Many people travel to broaden their horizons; there's no broader horizon than the cosmos.
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China’s ambitious Chang’e 6 mission will attempt to return a sample from the lunar farside.
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This week in the moonless dark, the Summer Triangle appears over the eastern treetops star by star. Leo walks down toward the west. And the Sombrero Galaxy positions itself ideally on the south meridian for your telescope.
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Alkaid is the end star of the Big Dipper's handle, a bright-blue example of a nearby B-type star.
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You might be tempted to sleep through this annual shower but then you'd miss seeing some of the fastest meteors around. Not to mention their parent is the most famous comet of all.
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High above you on May evenings is an one obvious star pattern that just about everyone knows: the Big Dipper. This “Swiss Army Knife of the sky” can help you find many other key springtime stars and constellations. Just download or stream this month’s Sky Tour podcast.
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New time-lapse videos from the Chandra X-ray Observatory show the Crab Nebula and the Cassiopeia A supernova remnant over more than 20 years.
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A giant impact likely formed Pluto's heart-shaped basin, Sputnik Planitia. A big chunk of the impactor’s core might still be buried under the ice.
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Researchers might have located the birthplace of 469219 Kamo‘oalewa, a small asteroid that has been described as Earth’s “mini-moon.”
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All the planets now huddle around our line of sight toward the Sun. However, these moonless evenings present us the Spring Triangle, the Great Diamond with a sugar sprinkle on its edge, and the Pointers aligned vertically.
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The large constellation Vela contains many hidden treasures.
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Maybe everything in the outer solar system is an ocean world.
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By linking a family of meteorites on Earth to their relatives in the asteroid belt, scientists have arrived at a new understanding of the giant planets' movement early in the solar system's history.
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Sky & Telescope met with readers old and new at the annual Northeast Astronomy Forum.
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Astronomers have reconstructed a 3D video of hot gas orbiting a stone’s throw away from our galaxy’s central black hole.
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