By looking at light from distant exploding stars called supernovas, in 1998 astronomers discovered the universe isn't just expanding - its expansion ...
The cutting-edge observatory is charged with seeing some of the earliest visible light, and the recent image achieves a new ...
Photos from the James Webb Space Telescope have revealed more than 40 stars within the gravitationally lensed "Dragon Arc" ...
Galaxies are not islands in the cosmos. While globally the universe expands—driven by the mysterious "dark energy"—locally, ...
Observations with the South Pole Telescope have revealed an independent addition to the biggest problem in cosmology.
A phenomenon called gravitational lensing turned a galaxy into a "hall of mirrors of cosmic proportions," allowing for the discovery.
"I never dreamed of Webb seeing them in such large numbers." ...