Scientists suspected the ice giant hosted auroras—and had already observed them on Jupiter, Saturn and Uranus. But an ...

The strange sight is actually two galaxies, with the light of the second warped around the one at the front as a result of ...

Could supernovas have triggered ancient mass extinctions on Earth? New research explores how cosmic explosions may have ...

NGC 4536 is a starburst galaxy with rapid star formation due to gas compression. Its bar-like structure channels gas toward ...

The James Webb Space Telescope identified the lights in the distant planet’s atmosphere, which could not be seen by earlier ...

Euclid, a European space telescope, just captured 26 million galaxies to reveal the secrets of the dark universe.

Vivian Poulin asks if the tension between a direct measurement of the Hubble constant and constraints from the early universe ...

Webb’s exquisite details reveal a chance, random alignment of a protostellar outflow and a distant spiral galaxy. When we ...

NASA's James Webb Space Telescope has unveiled an awe-inspiring celestial spectacle of a spiral galaxy interacting with a ...

A type Ia supernova occurs when a white dwarf draws hydrogen from a companion. But Sirius A and B are too widely separated ...

The Hubble Space Telescope captured an image of a star and a spiral galaxy, both in the constellation Virgo. But the photo is ...

A picturesque galaxy 40 million light-years away, NGC 5530 dazzles with its patchy spiral arms in the constellation Lupus.