A special “out of this world” episode of #AskNASA. During her record-setting mission NASA astronaut Christina Koch answers key questions about her stay in space. Highlighting her contributions and scientific achievements while aboard the International Space Station. Including her help to develop medicine in microgravity and collect data needed for longer missions. Conducting the longest
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WASHINGTON — A startup that seeks to create refueling facilities in orbit for satellites has received a government grant to develop one essential technology for that system. San Francisco-based Orbit Fab received an award from America’s Seed Fund, a grant program run the National Science Foundation’s (NSF), the company announced March 31. The company plans
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A common fixture in refrigerators, furniture and footwear, polyurethane plastic is pretty much always in high demand. Humans worldwide cycle through millions of tons of the durable substance each year, sending the bulk of what’s not recycled to garbage dumps, where it leaks toxic chemicals into the environment as it very slowly breaks down. For
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WASHINGTON — NASA announced March 30 it will fund the development of a cluster of six cubesats that will fly in formation above geostationary orbit to study solar storms. NASA said it selected for development the Sun Radio Interferometer Space Experiment (SunRISE) mission as a “mission of opportunity” for its heliophysics program. The mission, with
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Satellite jamming and spoofing incidents will only increase, says CSIS analyst Todd Harrison WASHINGTON — Only a handful of countries — notably the United States’ military rivals China and Russia — are developing space weapons that could physically take down U.S. military satellites. But many nations and non-state actors increasingly are able to interfere with
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For nearly 30 years, Alaskan Ahtna Athabascan elder Katie John awaited resolution to her peaceful battle over Native subsistence rights. The legal dispute—centering on her family’s right to fish in Batzulnetas, a historic village and fish camp in Wrangell-St. Elias National Park—made it all the way up to the U.S. Supreme Court. The Court’s ruling
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People continuously exposed to air pollution are at increased risk of dementia, especially if they also suffer from cardiovascular diseases, according to a study at Karolinska Institutet in Sweden published in the journal JAMA Neurology. Therefore, patients with cardiovascular diseases who live in polluted environments may require additional support from care providers to prevent dementia,
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Hundreds of cultural institutions around the world—including the Smithsonian Institution’s 19 museums, galleries, gardens and National Zoo—have closed amid the COVID-19 pandemic. But thanks to a growing array of digital offerings, museum lovers have plenty of options for experiencing world-class institutions from home. (See Smithsonian magazine’s roundups of museums you can remotely visit, collections available
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WASHINGTON — Stratolaunch, the company founded by the late billionaire Paul Allen as an air-launch company, announced March 30 it is developing a reusable hypersonic vehicle designed to be launched from the company’s giant aircraft. Stratolaunch said it is pursuing development of a vehicle called Talon-A. That vehicle, powered by a liquid-propellant rocket engine, will
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In the 1980s, a Neanderthal cave dwelling was identified on the coast of Portugal, some 20 miles south of Lisbon. Ten years ago, a team of experts revisited the cave, and in one of its tiny nooks, they found a rich cache of remains from aquatic animals like fish, mussels, crustaceans, sharks, dolphins and seals—signs
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The search for signs of Earth’s earliest forms of life isn’t quite like looking for dinosaur bones protruding out from desert outcrops. The oldest species on our planet were microscopic, nothing more than itty-bitty specks. Detecting them, and verifying their identity, is a complicated task that often relies not only hunting town tiny remains but
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