In July 2025, astronomers caught a gamma‑ray burst that burned for seven hours—an event so long, bright, and structured that it may force a rethink of how black holes form,...
Astronomers have found the first direct chemical fingerprints of short‑lived, thousand‑solar‑mass ‘monster stars’ in a young galaxy called GS 3073, forcing a radical rethink of how the early universe lit...
In March 2025, astronomers detected an extraordinarily rare cosmic explosion from when the universe was merely 700 million years old—a discovery that illuminates the violent birth of the cosmos's first...
A new X-ray look at the Cassiopeia A supernova remnant reveals an unexpected excess of chlorine and potassium, forcing astronomers to rethink how exploding stars manufacture the ingredients of oceans,...
Astronomers have found a fully formed spiral galaxy in the infant universe—a Milky Way twin that matured billions of years ahead of schedule, forcing a rewrite of how cosmic structure,...