Happy eclipse day! Here’s a guide to the 2023 “Ring of Fire” annular eclipse, which begins at 11:04 a.m. EDT on Saturday, Oct. 14. We’ve included details in this article on the best places to see the ...

The amazing skyward spectacles continue. We've seen a lot of cool things in the heavens lately, whether it's the Northern Lights, eclipses, meteor showers or planetary alignments. It's time to add ...

The spherically averaged (total) power spectrum of 21 cm brightness fluctuations. The power spectra are shown as a function of k during the dark ages at z = [150, 125, 75, 50, 40, 30]. The dotted ...

Lee, Tsung-Han, Nicola Lanatà, and Gabriel Kotliar. "Accuracy of ghost rotationally invariant slave-boson and dynamical mean field theory as a function of the impurity-model bath size." Phys. Rev. B ...

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Asteroids, vaccines, and a star eating a planet were some of the biggest scientific discoveries in 2023. Scientific American’s Laura Helmuth breaks them down. Madeleine Brand Host, 'Press Play' Sarah ...