A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the ...

The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other.

Webb captured an Einstein ring formed by a distant galaxy's light bending around a closer one. This rare alignment magnifies ...

The James Webb Space Telescope photographs a rare Einstein ring, a cosmic deception formed by gravitational lensing, giving ...

Webb has filled in many gaps left by Voyager 2, the only spacecraft to visit the planet. In 2022, the telescope captured ...

Vivian Poulin asks if the tension between a direct measurement of the Hubble constant and constraints from the early universe could be resolved by new physics.

The European Space Agency’s Euclid space mission has detected 26 million galaxies, some as far away as 10.5 billion ...

The European Space Agency has released its first tranche of data from the Euclid space telescope's mission to map the ...

A deep dive into the star-forming Flame Nebula by the James Webb Space Telescope has revealed free-floating, Jupiter-size objects that could help answer that key question in astronomy.

A deep field image captured by the James Webb Space Telescope is of galaxy cluster SMACS 0723. Credit: NASA, ESA, CSA, and STScI | mash mix: Space.com Music: Tranquil Dawn by Amber Glow / courtesy ...

The James Webb Space Telescope (JWST) has detected a peculiar and unexpected ... However, if this proves true, it could necessitate recalibrating distance measurements in the deep universe. This ...