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On Friday, 19 May, Tabby’s star began to dim, carrying on a history of mysterious dips in brightness. Astronomers are scrambling to point as many telescopes as possible at the star, which is 1,300 light-years away in the constellation Cygnus, to decipher its strange signal.


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Our Universe could be one of an infinite number of Universes, and, in its early stages, might have collided with one of these other worlds, according to a recent discovery. A mysterious ‘cold spot’ in the Universe is not caused by a massive void, according to a recent paper.


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The nascent off-Earth manufacturing industry is getting set to take its next big steps. Made In Space, the California-based company that owns and operates the commercial 3D printer aboard the International Space Station (ISS), is developing new technology, called Archinaut, that's designed to enable the assembly of large structures in the final frontier.


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Expedition 51 Commander Peggy Whitson and Flight Engineer Jack Fischer of NASA concluded the 200th ISS spacewalk at 1:21 p.m. EDT.


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Researchers have formed the clearest picture yet of massive explosions that controlled the creation of galaxies, including our own, and continue to influence star formation today. The findings confirm a long-held theory about the after-effects of these spectacular explosions called supernovae, and how they slow down the formation process.


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The record-shattering mission of the U.S. Air Force's robotic X-37B space plane is finally over. After circling Earth for an unprecedented 718 days, the X-37B touched down Sunday (May 7) at the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida — the first landing at the SLF since the final space shuttle mission came back to Earth in July 2011.


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Amazing imagery from Cassini


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Adam Makarenko wants to change the way we look at space – so he creates miniature exoplanets in his living room in Toronto, Canada. Makarenko, 43, has been creating models since 2006 and began building exoplanets in 2016.


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A newly discovered exoplanet is causing excitement among astronomers as it has the potential to give us the best opportunity ever to find alien life. The 'super-Earth', which is around 1.4 times the size of Earth but seven times its mass, is rocky, temperate and orbits a quiet star in our galactic neighbourhood.


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The first sighting of a halo of hydrogen wafting around the Milky Way has been revealed today. It was thought our galaxy had this kind of halo of diffuse gas, based on what we knew about other galaxies, but it had never been directly observed until now. Spiral galaxies like the Milky Way are made up of a central bulge surrounded by a disk and spiral arms, but these only make up a tiny part of its mass. It is thought the bulk of the ‘missing mass’ is made up of dark matter, which does not interact with light so cannot be seen.


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Two veteran NASA missions are providing new details about icy, ocean-bearing moons of Jupiter and Saturn, further heightening the scientific interest of these and other "ocean worlds" in our solar system and beyond. The findings are presented in papers published Thursday by researchers with NASA’s Cassini mission to Saturn and Hubble Space Telescope.


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Later today, Nasa will be making an announcement about the presence of oceans in our Solar System. While little detail has been given, Nasa has said the mysterious news comes from data gathered by the Cassini spacecraft and the Hubble space telescope. The full announcement will be made at 19:00 BST (14:00 EDT).


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Most scientific papers on the discovery of new galaxies are notable because they find something out of the ordinary. Now, a new galaxy has been discovered which is special because it is so average.


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About four billion years ago, Mars was warm. Water flowed in lakes and rivers under a nice thick blanket of atmosphere. But then something cataclysmic happened. Mars' insulating atmosphere all but disappeared. Exposed to the harsh elements of space, the red planet became the dry, frozen wasteland that it is today. Until now, this missing atmosphere had baffled scientists; was it lost in space, or did the Martian crust reabsorb it? New data from NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) mission is settling the debate. Bruce Jakowski and others on the MAVEN team have calculated that most of Mars' atmosphere blew away in the solar winds.


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The particles making up dark matter could be identified through gravitational waves, according to a recent study. The research, led by Asimina Arvanitaki at the Perimeter Institute and colleagues from Stanford and NYU, says the question about what the Universe is made of could be answered by using the Ligo detectors. These instruments were made famous last year when they saw gravitational waves for the first time, created by the merger of two black holes.


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Traditionally, rockets are one-use only - all the elements of the vehicle are discarded in getting a satellite payload into orbit. But SpaceX has become adept at landing its boosters safely back on Earth after a mission. Now, the firm is ready to put one of these "flight proven" vehicles on the launch pad again.


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The ExoMars mobile rover, tasked with recovering evidence of life on the Red Planet, will touch down in 2021 at one of two sites, scientists announced Wednesday. "After intense discussions, we have voted for the sites Oxia Planum and Mawrth Vallis," Frances Westhall, head of research at the Center for Molecular Biophysics in Orleans, France, told journalists.


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NASA’S HIGHLY EXPERIMENTAL Earth Observing-1 satellite mission was supposed to last just a year. It did that, and then survived 16 more—all the while testing NASA’s riskiest, oddball ideas. It’s been a proving ground for everything from multi- and hyperspectral imagers, to a self-piloting AI. But EO-1 is finally out of fuel, and at the end of the month the craft’s operating team will close up shop.


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More than ten years ago, astronomers made a discovery that has puzzled them ever since – supermassive black holes appeared to have popped up soon after the start of the Universe. It is thought to take billions of years for supermassive black holes to form, but at least 20 of them were spotted at the dawn of the Universe, just 800 million years after the Big Bang. A team of researchers from Dublin City University, Columbia University, Georgia Tech, and the University of Helsinki, have now used computer simulations to attempt to solve the mystery. The results, published today, say a black hole can grow quickly if the galaxy it is in stops forming stars.


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Few things have so forcefully driven home the wonder, and fragility, of life as that iconic image of Earth set against the vast expanse of space. And so of course it appears among the 225 photos in Apollo VII – XVII, the stunning photo book Dutch designer Simon Phillipson wrote with designers Floris Heyne, Joel Meter and Delano Steenmeijer.


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These raw, unprocessed images of Saturn's tiny moon, Pan, were taken on March 7, 2017, by NASA's Cassini spacecraft. The flyby had a close-approach distance of 24,572 kilometers (15,268 miles). These images are the closest images ever taken of Pan and will help to characterize its shape and geology.


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Astronomers have peered back more than 13 billion light years to find a huge mass of glowing stars – the most distant galaxy ever found to contain cosmic dust. The discovery gives us a completely new look at when the very first stars were 'born' and could reveal more about how the Universe expanded.


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Speaking at the Planetary Science Vision 2050 Workshop conference in Washington, director of Nasa’s Planetary Science Division James Green said scientists from the space agency have proposed a plan to shield Mars from the Sun’s rays through an artificial magnetic field around the planet. Without a protective magnetic field, anyone living on the Red Planet would have to protect themselves from the harmful radiation from the Sun that we, on Earth, are shielded from. Green described the idea as involving a “magnetic shield” launched in a stable orbit between Mars and the Sun. It would be made of a large electric circuit powerful enough to generate an artificial magnetic field.


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ESA - European Space Agency share a great video of the annular solar eclipse took place over South America and Africa.




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