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A recurring leak of liquid hydrogen fuel forced NASA on Saturday to postpone a scheduled launch for the second time this week. The earliest possible launch date is Sept. 19.
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NASA's Apollo missions already sent astronauts to the moon from 1969 to 1972. But scientists say there's still lots of good science to do there. The moon also could be an ideal stepping stone to Mars.
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The telescope uses a camera with filters that can make a color map out of infrared light, which is invisible to the human eye.
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Scientist Ralph McNutt, Jr. is lobbying NASA to approve plans for a $3.1 billion Interstellar Probe that could launch in 2036 if it can escape the yoke of Earth's gravity — not to mention its wary accountants.
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Gregory Robinson grew up as one of 11 children of tobacco sharecroppers in rural Virginia. He reflects on his journey to NASA, where he directed the groundbreaking James Webb Space Telescope program.
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Thanks to the telescope's deep and sharp infrared images, Earthlings are getting a more detailed look at distant galaxies than was ever possible.
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For decades, U.S. astronauts and Russian cosmonauts have lived side-by-side aboard the International Space Station. Now some are wondering whether that partnership can withstand the war in Ukraine.
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NASA should send probes to the ice giant planet of Uranus and to a moon of Saturn where conditions could be right for life. Those are some of the recommendations in a new report to the space agency.
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These so-called exoplanets include rocky worlds similar in size to Earth, gas giants larger than Jupiter and even"'mini-Neptunes."
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Since touching down in Jezero Crater, NASA's Perseverance rover has already cached 6 samples that could one day be brought back to Earth. Astrobiologists hope they hold signs of past microbial life.