Dark Matter’s Earliest Moments May Have Been Far More Extreme Than We Thought
Dark matter map (2021) by the Dark Energy Survey using weak gravitational lensing data set. The mass maps are weighted projections…
New Cosmological Simulations Shed Light on Growth of Black Holes in Early Universe
New state-of-the-art simulations by Maynooth University astronomers show that in the dense, turbulent dawn of the cosmos, ‘light…
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…
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…
5 reasons why 3I/ATLAS differs from the first interstellar comet 2I/Borisov
3I/ATLAS: Initial observations suggest a nucleus size ranging from 0.32 to 5.6 kilometers, with a most likely diameter…
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…
Researchers May Have Finally Cracked One Of The Universe’s Oldest Mysteries
The early universe is perhaps one of the biggest mysteries of our time, and while we’ve come close to…
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…
Webb Visits ‘Hubble Ultra Deep Field’
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have observed the Hubble Ultra Deep Field (HUDF), an area…