A supermassive black hole residing within the Large Magellanic Cloud (LMC) - a satellite galaxy - is on a collision course ...

In about 4.5 billion years, the Milky Way will begin merging with the Andromeda galaxy. This video explains what that ...

A new study shows how Milky Way chemical tracks emerge from shifting star formation and gas supply, reshaping ideas about the ...

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

The Milky Way was once a textbook example of how a spiral galaxy should form and evolve. Now a wave of new observations and ...

On record 2025 as one of the most amazing years in contemporary astronomy, providing findings that would turn our collective ...

In a groundbreaking astronomical discovery, researchers have unveiled a cosmic event of immense scale: a trio of galaxies, each hosting a supermassive black hole, is on a collision course. Located ...

NASA has released a new composite image of two spiral galaxies, NGC 2207 and IC 2163, as they begin a multi-billion-year ...

Professor Woong-bae Zee of the College of Liberal Studies at Sejong University has revealed that a galaxy does not possess ...

From signs of life on Mars to an interstellar visitor and weakening dark energy, 2025 reshaped space science, raising the ...

This mash-up of data from the James Webb Space Telescope and the Chandra X-ray Observatory reveals two galaxies mid-collision ...

Discover the secrets of 3I/ATLAS, a 7-billion-year-old interstellar comet making its closest approach to Earth on Dec 19. Learn what X-rays reveal about its past.