SPHEREx is slated to launch Feb. 27 on a SpaceX rocket. It is meant to map the entire night sky in infrared — something even ...

Through the lens of the Hubble and James Webb Space Telescopes, scientists are zeroing in on the Hubble Constant, a vital ...

"This is how you solve the universe-breaking problem." ...

Since it began sending data back to Earth in 2022, the James Webb Space ... edge of the observable cosmos." Related: 'The early universe is nothing like we expected': James Webb telescope reveals ...

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.

NASA's James Webb Space Telescope has captured a unique image that revealed 44 individual stars in a galaxy 6.5 billion light ...

Astronomers using the James Webb ... across the observable universe-a feat that scientists once thought was impossible. The best previous attempts with the Hubble Space Telescope had only detected ...

The James Webb Space Telescope allowed astronomers to peer ... At this point, it appears there is nothing else like LRDs in the observable universe. The LRDs appeared only in the early universe.

One of the mysteries of our galaxy and every other, these dense groupings of up to a million stars—the most massive and oldest star clusters in the Universe ... the James Webb Space Telescope ...