The observable universe is a ball-shaped region of the universe comprising all matter that can be observed from Earth or its space-based telescopes and exploratory probes at the present time, because ...

Astronomers used NASA's James Webb Space Telescope to reveal 44 stars in a galaxy so far away, its light dates to when the universe was half its age.

Astronomers setting their sights halfway across the observable universe recently ... to NASA's James Webb Space Telescope and its high-resolution power to reveal 44 individual stars in a galaxy ...