Just a few hundred million years after the Big Bang, the universe was a dark and simple place. There were no galaxies like ...
The search for dark matter requires all the best models, theories, and ideas we can throw at it. A new paper by Julia Monika Koulen, Stefano Profumo, and Nolan Smyth from the University of California ...
Primordial black holes are hypothetical compact objects formed by the gravitational collapse of large density fluctuations in the early Universe. Their masses span many orders of magnitude, determined ...
The formation of the first, or Population III, stars marked a pivotal epoch in cosmic history. Emerging in dark matter minihalos at redshifts of around 20–30, these metal-free objects arose from the ...
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