Webb Find Hidden Stars Making Early Galaxies Far More Massive than Thought
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have revealed a surprisingly large population of faint, low-mass stars…
Mysterious ‘Little Red Dots’ Could Be Tiny Galaxies with Giant Black Holes at Their Hearts
The mysterious objects spotted in the early Universe may not be isolated points of light after all. A…
Extended components of little red dots in the rest-frame optical
Furtak, L. J. et al. JWST UNCOVER: extremely red and compact object at zphot = 7.6 triply imaged…
Rocky Planets May Have Started Forming Just 100 Million Years after Big Bang
New simulations suggest supernova explosions of the Universe’s first stars scattered the ingredients for rocky planets only 100…
Vigorous turbulence driven by quasar-mode feedback in a cluster core
The X-Ray Imaging and Spectroscopy Mission (XRISM)1 is the successor to the Hitomi X-ray observatory2, which ceased operations…
Dark matter may be naturally tuned to a hidden fifth dimension
Dark matter appears to hold galaxies together, yet it has never shown itself directly. A new theory suggests…
New study reveals how dark matter formed shortly after the Big Bang
Dark matter may not have needed a calm, cold start to help build the universe. For decades, that…
Hubble has spotted ‘impossible’ light in deep space, and scientists are trying to explain where it came from
Astronomers have detected light from a tiny but powerful galaxy that existed when the universe was still emerging…
Hubble Detects Ultraviolet Light from Tiny Starburst Galaxy in Early Universe
Just 1.4 billion years after the Big Bang, MXDFz4.4 — a galaxy 100 times smaller than the Milky…
A new window on neutrino astronomy at cosmological distances – Nature
A new window on neutrino astronomy at cosmological distances NatureGhost particle could have traveled 11 billion light-years to reach…
Interstellar Comet 3I/ATLAS Formed Up To 12 Billion Years Ago, New Observations Suggest
The interstellar comet 3I/ATLAS carries a chemical fingerprint unlike anything in our Solar System, and it may have…
Scientists use Einstein’s equations to reveal what came before the Big Bang
Some of the hardest questions in cosmology begin where the usual math gives up. Push Einstein’s theory far…