Galaxies, including the Milky Way, grow from thick, turbulent disks into layered structures. JWST’s images show this process ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

This emission is strongest under conditions which are intermediate between those in the interior of nebula and those in the dense cloud.

Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious event that could reveal the existence of a “rogue planet” drifting through ...

KiDS J0842+0059, with a mass around 100 billion times that of the Sun, has remained frozen in time for centuries.

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

A fluffy, Jupiter-sized planet may be triggering deadly flares from its star, leading to the slow destruction of its own ...

Astronomers have taken the first ever image that shows what happens when a star explodes twice in a supernova.

By studying what makes the Milky Way unique, astronomers are hoping to understand our galaxy’s past and unravel the mystery ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...