For a long time, scientists thought that only actively star-forming galaxies should be observed in the very early Universe. The James Webb space telescope now reveals that galaxies stopped forming ...

Webb Telescope captures an Einstein ring in the Hydrus constellation Light bends around a massive galaxy, forming a glowing ring Gravitational lensing helps study distant galaxies and dark matter ...

An international team led by UNIGE shows that red and dead galaxies can be found only 700 million years after the Big Bang, ...

A stunning new image from the James Webb Space Telescope reveals a cosmic mirage known as an Einstein ring, where the light ...

One of the first verified predictions of general relativity is the gravitational deflection of starlight. The effect was ...

T Coronae Borealis (T CrB), popularly known as the "Blaze Star," is surely on the verge of a rare and dramatic brightening.

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.

Decades of constant X-ray emission from the Helix Nebula’s white dwarf suggest debris from a Jupiter-sized planet steadily rains upon the star.

The Perseverance rover has been exploring Mars. Its main goal is to search for signs of ancient microbial life and collect ...

The James Webb Space Telescope (JWST) has captured one of the most stunning and rare cosmic sights in astronomy: a nearly ...

That's the elliptical galaxy NGC 5846, which appears about 4' across ... It stands above the Bull's brightest star, Aldebaran ...