Physicists Challenge Long-Held Assumptions about Nature of Dark Matter
Dark matter may not have been ‘cold’ in the earliest moments after the Big Bang, as long believed;…
Early Universe’s ‘Little Red Dots’ Are Young Supermassive Black Holes, Astrophysicists Say
Astrophysicists at the University of Copenhagen show that the enigmatic ‘little red dots’ — red sources scattered across…
Little red dots as young supermassive black holes in dense ionized cocoons
Greene, J. E. et al. UNCOVER spectroscopy confirms the surprising ubiquity of active galactic nuclei in red sources…
A dense web of neutral gas in a galaxy proto-cluster post-reionization
Wolfe, A. M., Gawiser, E. & Prochaska, J. X. Damped Lyα systems. Annu. Rev. Astron. Astrophys. 43, 861–918…
Physicists Revive a 19th-Century Theory of “Cosmic Knots” to Help Untangle the Mysteries of Dark Matter and Neutrinos
A long-dismissed idea involving “cosmic knots” could help explain several of the universe’s most perplexing mysteries—including the origins…
New York’s ‘Big Bang Machine’ Passes Critical First Test
We know very little about the first few microseconds after the Big Bang. We have theories, most of…
Scientists Recreated the Universe’s First Molecule
Seconds after the Big Bang, the newborn universe gave rise to the first elements—ionized forms of hydrogen and…