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Ancient Heavy Water Found in Planet-Forming Disk Reveals Solar Origins of Earth's Oceans
Charlottesville VA (SPX) Oct 16, 2025 Astronomers have detected "heavy water" in a planet-forming disk for the first time, uncovering compelling evidence that much of the water in our Solar System predates the Sun itself. The discovery provides new insight into how ancient interstellar ice survived the violent birth of stars and planetary systems. Using the Atacama Large Millimeter/submillimeter Array (ALMA), researchers identified doubly deuterated water (D2O) in the disk surrounding V883 Orionis, a young Sun-like star. The presence ... read more |
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Geologists discover the first evidence of 4.5-billion-year-old "proto Earth"Boston MA (SPX) Oct 15, 2025 Scientists at MIT and elsewhere have discovered extremely rare remnants of "proto Earth," which formed about 4.5 billion years ago, before a colossal collision irreversibly altered the primitive pla ... more 
Stopping slime on Earth and in spaceTempe AZ (SPX) Oct 16, 2025 How do you prevent biofilms - large communities of bacteria like the slime on your teeth before you brush - from growing in water systems in space and on Earth? A multi-university research tea ... more 
Completed Plato spacecraft construction enters final test campaignParis, France (SPX) Oct 10, 2025 By fitting its sunshield and solar panels, engineers have completed the construction of Plato, the European Space Agency's mission to discover Earth-like exoplanets. Plato is on track for the final ... more 
Rogue planet devours matter at record pace of six billion tonnes a secondParis, France (SPX) Oct 13, 2025 Astronomers using the European Southern Observatory's Very Large Telescope (ESO's VLT) have witnessed an extraordinary growth spurt in a free-floating planet, observing it accumulate mass at a rate ... more |
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Detection of phosphine in a brown dwarf atmosphere raises more questionsLa Jolla CA (SPX) Oct 06, 2025 Phosphorus is one of six key elements necessary for life on Earth. When combined with hydrogen, phosphorus forms the molecule phosphine (PH3), an explosive, highly toxic gas. Found in the atmosphere ... more 
Patchwork planets: Piecing together the early solar systemNew Haven CT (SPX) Oct 06, 2025 Our solar system is a smashing success.... A new study suggests that from its earliest period - even before the last of its nebular gas had been consumed - Earth's solar system and its planets looke ... more 
Webb reveals carbon rich disc around giant exoplanetParis, France (SPX) Sep 30, 2025 NASA's James Webb Space Telescope has captured the first detailed measurements of a circumplanetary disc that may serve as a birthplace for moons around a massive exoplanet. The discovery, involving ... more 
The first animals on Earth may have been sea sponges, study suggestsBoston MA (SPX) Sep 30, 2025 A team of MIT geochemists has unearthed new evidence in very old rocks suggesting that some of the first animals on Earth were likely ancestors of the modern sea sponge. In a study appearing i ... more
Spirals in young star disk reveal planet formation processTokyo, Japan (SPX) Sep 25, 2025 Observations with the Atacama Large Millimeter/submillimeter Array (ALMA) have captured the motion of spiral structures in the disk of dust and gas surrounding the young star IM Lup, offering new ev ... more |
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Baby' Planet Photographed in a Ring around a Star for the First Time!
Washington DC (SPX) Sep 25, 2025 Researchers have discovered a young protoplanet called WISPIT 2b embedded in a ring-shaped gap in a disk encircling a young star. While theorists have thought that planets likely exist in these gaps (and possibly even create them), this is the first time that it has actually been observed. Researchers have directly detected - essentially photographed - a new planet called WISPIT 2b, labeled a protoplanet because it is an astronomical object that is accumulating material and growing into a fully-re ... read more
NASA's Tally of Planets Outside Our Solar System Reaches 6,000Greenbelt MD (SPX) Sep 25, 2025 The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found. The official number of exoplanets - planets outside our solar syst ... more |
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Simulations of Exoplanet Formation May Help Inform Search for Extraterrestrial LifeMelbourne FL (SPX) Sep 25, 2025 Florida Tech astrophysicist Howard Chen is offering new insights to help aid NASA's search for life beyond Earth. His latest theoretical work investigates the TRAPPIST-1 planetary system, one of the ... more
Exoplanets unlikely to host global oceansBerlin, Germany (SPX) Sep 22, 2025 Astronomers once suggested that the exoplanet K2-18b, 124 light-years away, could be an ocean world filled with life. A new study led by ETH Zurich shows that such sub-Neptune planets are far drier ... more 
NASA Webb probes atmosphere scenarios for TRAPPIST-1 eWashington DC (SPX) Sep 19, 2025 Scientists using NASA's James Webb Space Telescope are focusing on TRAPPIST-1 e, one of seven Earth-sized planets orbiting a nearby red dwarf star. Early results suggest the planet likely lost its o ... more 
Molecular 'fossils' offer microscopic clues to the origins of life - but they take care to interpretTokyo, Japan (SPX) Sep 19, 2025 The questions of how humankind came to be, and whether we are alone in the universe, have captured imaginations for millennia. But to answer these questions, scientists must first understand life it ... more 
Alien civilizations may be far rarer than hoped study suggestsBerlin, Germany (SPX) Sep 17, 2025 New research presented at the EPSC - DPS2025 Joint Meeting in Helsinki indicates that the nearest technological civilization in the Milky Way could be about 33,000 light years from Earth, and that s ... more |
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