This video explores the fascinating reasons behind the physical properties of elements. It answers questions about why ...
Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...
Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...
Astronomers have obtained the sharpest-ever X-ray spectrum of an iconic active galaxy, providing the most accurate, precise ...
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