Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

A Triple Star System Yields an Unusual Surviving Star Unlike our Sun, which exists alone, at least half of the stars in our ...

A new computational method gleans more information than its predecessors from maps showing how galaxies are clustered and threaded throughout the universe.

Researchers from the Flatiron Institute and collaborators have developed an innovative method that uses artificial intelligence (AI) to estimate the universe's cosmological parameters with ...

Early data of “little red dots,” or LRDs, from the James Webb Space Telescope (JWST) appeared to suggest the presence of ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

Measurements of the distance to the Coma Cluster of galaxies find that it is millions of light years closer than the standard ...

New evidence suggests the universe is expanding faster than predicted. Explore the Hubble constant and its implications for ...

Leo P, a tiny galaxy, stopped making stars after the universe’s reionization. Unlike most galaxies, it restarted billions of ...

The James Webb Space Telescope identified one of the oldest supernovas, AT 2023adsv, revealing early universe phenomena ...

Soon after it came online in 2022, Webb observations revealed a population of tiny red objects dubbed little red dots (LRDs).