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 ...
A recent study published on arXiv has revealed a black hole so massive and so ancient that it challenges long-standing models of how such cosmic giants form. Detected by Boyuan Liu and colleagues from ...
"This gives us a new way to rule out certain black hole scenarios for dark matter." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. New research ...
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 ...
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 ...
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