A stellar bar has been discovered in the galaxy GN20, which dates back to just 1.5 billion years after the Big Bang.

Scientists used new data taken by the James Webb Space Telescope to make a new reading of the rate at which the universe is expanding over time, by measuring light from 10 galaxies including the one ...

Astronomers have long been puzzled by supermassive black holes that seem to have fully formed in the earliest epochs of the universe. Now, a new paper suggests that these monster black holes may have ...

For years, strange red dots in James Webb images left scientists puzzled. New research shows they are young black holes hidden inside dense clouds of gas, glowing as they devour their surroundings.

Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet WASP-107b, revealing a world with an enormously inflated, weakly bound ...