Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using ...

New images taken with the Gemini North telescope in Hawaii confirm that the interstellar comet 3I/ATLAS has gotten brighter ...

The Chandra X-ray Observatory captured imagery of a galaxy that "appears to have pulled in and assimilated all of its former ...

First-day-of-issue dates and locations through March 2026 also revealedWASHINGTON, Dec. 12, 2025 /PRNewswire/ -- The U.S.

NASA’s Chandra Observatory has produced vivid, energy-segmented X-ray maps of galaxy clusters, revealing shock waves, cooling ...

Astronomers are learning more about the origins of supermassive black holes after new data is revealed from a 20-year-long ...

NASA’s new X‑ray images reveal how supermassive black holes sculpt galaxy clusters. Jets, bubbles, and ripples reshape cosmic ...

A distant gamma-ray burst has led astronomers to a rare supernova from the Universe’s early years, revealed by JWST. But why ...

NASA’s Chandra telescope uses a new X-arithmetic method to compare X-ray energies and show how supermassive black holes shape galaxy clusters and galaxy groups, revealing differences in gas movement a ...