Astronomers using the James Webb Space Telescope have discovered dozens of ancient stars in the distant Dragon Arc galaxy, revealing new insights into the universe's formation and evolution.
By looking at light from distant exploding stars called supernovas, in 1998 astronomers discovered the universe isn’t just expanding – its expansion is speeding up. But what’s behind this acceleration ...
Using a natural phenomena called “gravitational lensing”, a team of researchers and astronomers at the University of Arizona’s Steward Observatory have spotted ...