Astronomers have spotted many "red and dead" galaxies in the early universe. These are massive systems that stopped forming stars surprisingly early in cosmic history. Now, they may have found ...

Faced with observations of early black holes and galaxies that weren’t expected to exist, scientists have come up with a ...

Massive galaxies? Dusty black holes? Black hole stars? Scientists have raised a lot of theories around what the crimson blobs ...

Every 40 seconds of nighttime for the next 10 years, a camera the size of a small car will capture strikingly detailed images of the southern sky, stitching together a time-lapse panorama of ...

On Jan. 26, 2026, the Submillimeter Array (SMA) on Maunakea crossed an important threshold for time-domain astronomy. For the ...