What's up in
Astronomers Say They Have Spotted the Universe’s First Stars
Theory has it that “Population III” stars brought light to the cosmos. The James Webb Space Telescope may have just glimpsed them.
How Quantum Physicists ‘Flipped Time’ (and How They Didn’t)
Two teams have made photons act as if time were simultaneously flowing in two directions. The experiments demonstrate a way to potentially boost the performance of quantum devices.
Mathematicians Find an Infinity of Possible Black Hole Shapes
In three-dimensional space, the surface of a black hole must be a sphere. But a new result shows that in higher dimensions, an infinite number of configurations are possible.
Standard Model of Cosmology Survives a Telescope’s Findings
Reports that the James Webb Space Telescope killed the reigning cosmological model turn out to have been exaggerated. But astronomers still have much to learn from distant galaxies glimpsed by Webb.
Starfish Whisperer Develops a Physical Language of Life
Nikta Fakhri is adapting and extending concepts from physics to describe how tiny biological components give rise to living organisms.
Inside Ancient Asteroids, Gamma Rays Made Building Blocks of Life
A new radiation-based mechanism adds to the ways that amino acids could have been made in space and brought to the young Earth.