What are dark galaxies? Astronomers expose 70 hidden candidates with no visible stars
Examples of the four categories used to classify HI sources: optical counterpart (O), nearby galaxy (N), unsure (X),…
A Cosmic Survey Reveals the Universe’s Hidden Side
A team of scientists at the University of Virginia is using data from an instrument in Arizona to…
Shape of electrons is revealed for the first time in big quantum leap
For the first time, researchers have measured the shape of an electron as it moves through a solid.…
Tiny Ultra-Faint Dwarf Galaxies Reflect The Conditions In The Early Universe
We don’t know for sure how many dwarf galaxies are attached to the Milky Way because they’re dim…
Did decaying dark matter help create the universe’s first supermassive black holes?
New research suggests that supermassive black holes that existed before the cosmos was 1 billion years old may…
A Different Kind Of Ultrasonic Levitation
Ultrasonic levitation is by now a familiar trick: one or more ultrasonic transducers create a standing wave, and…
Why cosmology is more than a theory
Edwin Hubble found that distant galaxies travel away from Earth faster than nearer ones.Credit: New York Public Library/SPL…
Prototype ‘Camera’ Offers a New Way to Visualize Elusive Ghost Particles
Central to many unsolved mysteries in physics are tiny, weakly interacting particles that require heavy-lift detection methods. This…
Astronomers Capture Rare Quasar Pair Colliding Just 1 Billion Years After Big Bang
A rare and powerful discovery has revealed two quasars merging in the early universe, offering a direct glimpse…
Integrated photonics for continuous-variable quantum optics
Moody, G. et al. Roadmap on integrated quantum photonics. JPhys Photonics 4, 012501 (2022). Article ADS Google Scholar …