Millions of Europeans will contemplate the sky in awe on Wednesday as a rare total solar eclipse crosses part of the continent and plunges a swath of Spain into eerie daytime darkness.

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The habitable zone concept is useful for understanding which worlds might, possibly, maybe, be habitable. It highlights exoplanets at the right distances from their stars for liquid water to potentially exist on their surfaces. But that alone can’t determine habitability.

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Like a collage made of layered sheets of colored cellophane, a vibrant new image layers observations of a famous star-forming nebula from NASA’s space telescopes. The resulting cosmic “craft” reveals new details about the star-forming region known as 30 Doradus, or the Tarantula Nebula.

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University of Missouri researchers have uncovered evidence that challenges one of astronomy’s most trusted assumptions, a breakthrough that could reshape how scientists measure galaxies and reconstruct the history of the universe.

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Using the NASA/ESA/CSA James Webb Space Telescope, an international team of astronomers has discovered that dust and water can form and survive surprisingly close to the supermassive black hole at the center of the Milky Way galaxy. The observations reveal that the evolved star IRS 3 continues to enrich its surroundings with newly formed material […]