A deep field image captured by the James Webb Space Telescope is of galaxy cluster SMACS 0723. Credit: NASA, ESA, CSA, and ...

Using the James Webb Space Telescope (JWST), astronomers have peered deep into one of the Milky Way's most radiation-intense ...

The James Webb Space Telescope has observed a surprising alignment in the spin directions of ancient galaxies, challenging ...

Webb's final snapshot of asteroid 2024 YR4 fine-tuned its orbit—raising Moon impact odds slightly, but Earth is safe.

Israel and Iran enter their second week of hostilities as world leaders push for de-escalation, and the U.S. weighs its next ...

The James Webb Space Telescope's Mid-Infrared Instrument (MIRI) captured imagery of a pair of stars called Wolf-Rayet 140.

Webb discovered dozens of small, powerful galaxies from 800 million years ago that likely drove cosmic reionization by ...

The pope spoke to students gathered as part of a monthlong astronomy and astrophysics summer school program hosted by the Vatican Observatory.

Scientists are revolutionizing the search for extraterrestrial life by challenging our somewhat Earth-centric assumptions ...

Inflation and budget issues are threatening to hobble NASA’s most in-demand telescopes.

The James Webb Space Telescope has revealed dozens of tiny, distant galaxies piercing the fog of the cosmic dark age in the ...