Space rocks and asteroid dust are pricey, but these aren't the most expensive materials used in science
Some space rocks you can get for free – if you know how to identify them. Rarer materials cost more, and the asteroid sample NASA just brought back has a high price tag.
Chris Impey, University Distinguished Professor of Astronomy, University of Arizona •
conversation
Oct. 24, 2023 • ~9 min
Oct. 24, 2023 • ~9 min
Physicist who found spherical meteor fragments claims they may come from an alien spaceship – here's what to make of it
There is a very large scientific leap from observing a fireball to claiming it as an alien spaceship.
Monica Grady, Professor of Planetary and Space Sciences, The Open University •
conversation
July 7, 2023 • ~8 min
July 7, 2023 • ~8 min
New approach to ‘cosmic magnet’ manufacturing could reduce reliance on rare earths in low-carbon technologies
Researchers have discovered a potential new method for making the high-performance magnets used in wind turbines and electric cars without the need for rare
Cambridge University News •
cambridge
Oct. 25, 2022 • ~6 min
Oct. 25, 2022 • ~6 min
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