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Categories: Space: General
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Published Scientific definition of a planet says it must orbit our sun; A new proposal would change that



The International Astronomical Union defines a planet as a celestial body that orbits the sun, is ma...
Published NASA's Webb investigates eternal sunrises, sunsets on distant world



Researchers using NASA's James Webb Space Telescope have finally confirmed what models have previous ...
Published Galaxies in dense environments tend to be larger, settling one cosmic question and raising others



A new study has found galaxies with more neighbors tend to be larger than their counterparts that ha...
Published Galactic 'lightsabers': Answering longstanding questions about jets from black holes



The one thing everyone knows about black holes is that absolutely everything nearby gets sucked into...
Published Astronomers unveil strong magnetic fields spiraling at the edge of Milky Way's central black hole



A new image from the Event Horizon Telescope (EHT) collaboration has uncovered strong and organized...
Published Supermassive black hole appears to grow like a baby star



Supermassive black holes pose unanswered questions for astronomers around the world, not least 'How...
Published 'Starquakes' could explain mystery signals



Fast radio bursts, or FRBs, are an astronomical mystery, with their exact cause and origins still un...
Published Galactic bloodlines: Many nearby star clusters originate from only three 'families'



Astronomers have deciphered the formation history of young star clusters, some of which we can see w...
Published 'Weird' new planet retained atmosphere despite nearby star's relentless radiation



A rare exoplanet that should have been stripped down to bare rock by its nearby host star's intense...
Published Iron meteorites hint that our infant solar system was more doughnut than dartboard



Iron meteorites are remnants of the metallic cores of the earliest asteroids in our solar system. Ir...
Published Physicists demonstrate how sound can be transmitted through vacuum



A classic movie was once promoted with the punchline: 'In space, no one can hear you scream'. Physic ...
Published Grasping the three-dimensional morphology of kilonovae



An advanced new three-dimensional (3D) computer simulation of the light emitted following a merger o...
Published Exploring the origin of nucleosynthetic isotope variations in Ryugu samples



The observed variations in chromium (Cr) isotope ratios in the Ryugu asteroid samples collected by H...
Published Icy impacts: Planetary scientists use physics and images of impact craters to gauge the thickness of ice on Europa



New study reveals that Europa's ice shell is at least 20 kilometers thick....
Published Geomagnetic field protects Earth from electron showers



Geophysicists studied the activity of high energy electrons and clarified the unexpected protective...
Published The remains of an ancient planet lie deep within Earth



The remnants of an ancient planet that collided with Earth to form the Moon lie deep within the eart...
Published Study shedding new light on Earth's global carbon cycle could help assess liveability of other planets



Research has uncovered important new insights into the evolution of oxygen, carbon, and other vital...
Published Tracking down the asteroid that sealed the fate of the dinosaurs



The asteroid that led to the extinction of the dinosaurs 66 million years ago probably came from the...
Published Meteor showers shed light on where comets formed in the early solar system



Researchers studying meteor showers have found that not all comets crumble the same way when they ap...
Published Pushing the boundary on ultralow frequency gravitational waves



A team of physicists has developed a method to detect gravity waves with such low frequencies that t...