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Space exploration, observatory discoveries, and astrophysics stories from around the world.
Astronomers have solved the mystery of a star that dimmed dramatically for nearly 200 days, one of the longest stellar dimming events ever recorded. The culprit appears to be either a brown dwarf or a super Jupiter with an enormous ring system, creating a gia…
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A recent study, led by the Center for Astrobiology (CAB), CSIC-INTA and using modelling techniques developed at the University of Oxford, has uncovered an unprecedented richness of small organic molecules in the deeply obscured nucleus of a nearby galaxy, tha…
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With Valentine’s Day around the corner, romance is in the air. And what could be more romantic than a picnic under the stars, pointing up to the night sky, and gazing at a star you’ve named for your Valentine? A quick online search reveals multiple paid servi…
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The discovery of a distant solar system with its planets in a seemingly impossible order has been revealed this week. The ordering of planets within a...
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A dazzling new Hubble image peels back the layers of the mysterious Egg Nebula, a rare and fleeting phase in a Sun-like star’s death just 1,000 light-years away. Hidden inside a dense cocoon of dust, the dying star blasts twin beams of light through a polar o…
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Los Angeles CA (SPX) Feb 13, 2026 Hydrogen sulfide is what makes rotten eggs stink. But the discovery of this gas in the atmospheres of four distant, Jupiter-like planets is turning heads for a pleasant reason: It solves the mystery of how some gas giants f…
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A fresh analysis of Comet 41P/Tuttle-Giacobini-Kresák observations suggests it abruptly reversed its spin after its last Earth flyby—an extreme and unprecedented change.
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Explanation: Dark, smooth regions that cover the Moon's familiar face are called by Latin names for oceans and seas. That naming convention is historical, though it may seem a little ironic to denizens of the space age who recognize the Moon as a mostly dry a…
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A doomsday scenario that doesn't get talked about much is what would happen if we were visited by an errant black hole. David Blair: Last year, astron...
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A “disappearing” star in the Andromeda galaxy is the closest and best candidate for a newborn black hole that astronomers have ever seen
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A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, this icy world could still surprise us.
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DOI: arXiv:2602.04840 | arXiv:2602.04840v1 Announce Type: new Abstract: The EXoplanet Climate Infrared TElescope (EXCITE) is a balloon-borne mission dedicated to measuring spectroscopic phase curves of hot Jupiter-type exoplanets. Phase curve measurements can…
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