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A space plane once hoped to be a successor to NASA's space shuttles may ultimately never make it to orbit.
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The SpaceX CEO has revealed new details about his plans for the future, including building AI chips at an unprecedented scale.
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The intriguing new footage was recently revealed by investigative journalists Jeremy Corbell and George Knapp.
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Elon Musk's space firm is seeking regularity approval to develop a satellite constellation of unprecedented scale.
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The first manned mission to orbit the Moon in decades is still on course to launch as early as February 6th.
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Global intelligence services have uncovered evidence indicating that Russia is developing a new anti-satellite weapon.
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A spacecraft that has been in orbit around Mars for over a decade has suddenly stopped communicating.
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Jaime Rodriguez recently sparked debate online after sharing a series of clips of the phenomenon.
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Situated just 18.2 light-years away, this newfound extrasolar world is in orbit around a red dwarf star.
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Scientists have discovered evidence of methane gas on Makemake - a tiny world situated beyond the orbit of Pluto.
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Astronomers believe that they have discovered a gas giant in orbit around the star Alpha Centauri A.
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A mysterious large cat was filmed by a doorbell camera casually strolling past a house in a quiet neighborhood.
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Something was lurking outside in the darkness after midnight and nobody is quite sure who or what it was.
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A passing star could disrupt the orbits of the planets and cause the Earth to be flung off into deep space.
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The previously unseen world is believed to orbit far out at a range of 838 times Earth's distance from the Sun.
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A remarkable new image snapped from orbit shows the Curiosity rover trundling across the surface of Mars.
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The three satellites - known as Kosmos - have released an object in orbit and nobody is quite sure what it could be.
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The unidentified object quickly zoomed past the frame during filming of a news report over Manhattan.
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This week's congressional hearing featured testimony concerning an alleged video of a UAP off the coast of Kuwait.
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Scientists now believe that a small moon orbiting Uranus may be capable of harboring primitive alien life forms.