Observations don’t match the predictions of the standard model—and it’s not just a fluke.
The cosmological constant is the mathematical description of the energy that drives the ever-accelerating expansion of the ...
The most precise measurement yet shows the Universe is expanding faster than expected, deepening the Hubble tension. The ...
The Dark Energy Spectroscopic Instrument, or DESI, has finished its planned 3D map of the universe — but the work is far from over. Carnegie Mellon University researchers are already pushing the ...
Relax, it’s only happening in theoretical physics—at least for now.
Andromeda and the Milky Way merge. NASA; ESA; Z. Levay and R. van der Marel, STScI; T. Hallas; and A. Mellinger Share Curious Kids is a series for children of all ages. If you have a question you’d ...
Whether the universe will "end" at all is not certain, but all evidence suggests it will continue being humanity's cosmic home for a very, very long time. Our understanding of the future of the ...
It’s “common knowledge”—and the scare quotes should be a warning—that the sun is an average star. But it’s not, and in fact it’s not even close: The sun is in the top 90th percentile of stars by mass.
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