Physicists have long treated mass as a basic ingredient of nature, something particles simply possess, even as the Higgs ...
A doomed star spiraling into a supermassive black hole has given physicists one of their clearest looks yet at how gravity ...
The James Webb Space Telescope blasted off from a launchpad in French Guiana in 2021, before reaching a spot in orbit a million miles away. It soon began breaking cosmology.