Astronomers pinpointed the source of the signal to a low mass star, but it can't generate that much energy on its own.

The Hubble Space Telescope has generated the most comprehensive survey yet of the Andromeda galaxy, the nearest galactic neighbor to the Milky Way. The new mosaic of about 2.5 billion pixels yields new clues to the galaxy's history. UW astronomers presented…

Australian researchers have discovered a dead star that takes hours rather than milliseconds to spin, challenging scientists' understanding of how these stars form.

"That was definitely surprising!"

ENTs, the most energetic transients, will provide a unique probe of the properties of massive black holes in the early universe.

Cambridge, MA— A new landmark study has pinpointed the location of the Universe's "missing" matter, and detected the most distant fast radio burst (FRB) on record. Using FRBs as a guide, astronomers at the Center for Astrophysics | Harvard & Smithsonian (CfA)…

Nature Astronomy - An extreme flare has been seen from a supermassive black hole at redshift z = 2.6. First detected in 2018, it is 30 times brighter than similar events. The most...

By Will Dunham WASHINGTON, Dec 8 (Reuters) - Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds of galaxies, gas and dark