As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s not how it works. Hint: space-time is involved.
Articles on General theory of relativity
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Astronomers have for the first time detected the background hum of gravitational waves likely caused by merging black holes.
A total eclipse that travelled the full width of Australia in 1922 offered astronomers the chance to confirm Einstein’s theory of general relativity - and for the community to enjoy a rare spectacle.
Albert Einstein may have been the ultimate example of a visionary genius, but that did not stop him from twice losing his way due to beliefs that were perhaps not so scientific.
One of Einstein’s weirder predictions is that massive, spinning objects exert a drag on space-time itself. Now an orbiting pair of unusual stars has revealed this effect in action.
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University Distinguished Professor of Astronomy, University of Arizona
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Geographer, California State University, Dominguez Hills
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Honorary Principal Fellow in the School of Geography, Earth and Atmospheric Sciences, The University of Melbourne
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Professeur émérite, chercheur en physique des particules, spécialiste des neutrinos, Université Paris Cité
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Scientific staff, Max Planck Institute for Radio Astronomy
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ARC Laureate Fellow, Swinburne University of Technology
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Teaching Professor of Physics, University of Rhode Island