What happened in the first moments after the Big Bang? Why and how did our galaxy go through a dramatic disc flip? Our ...

A new study says a proposed instrument on the Extremely Large Telescope could study star clusters around faint, puffy ...

Pulsar timing array gravitational-wave searches have set the first mass limits on supermassive black hole pairs at cosmic ...

Could our entire universe exist inside a gigantic black hole belonging to another universe? This video explores a speculative ...

Simulations suggest the faintest galaxies near the Milky Way share one iron level because a single giant first star exploded in each.

Supermassive black holes at the centers of galaxies already existed in the very early universe. They grew by merging, but ...

Bright early galaxies may shine through dust cleared by hydrogen radiation. Explore how new calculations could explain Webb’s ...

Light from young stars may have helped make some of the universe’s earliest galaxies surprisingly easy to see. New ...

Nov. 6, 2026 After nearly 22 years of exploring the universe’s most violent explosions, NASA’s Swift Observatory has re-entered Earth’s atmosphere over Indonesia. Originally designed to last just two ...

Johns Hopkins researchers searching the expanse of the universe for the existence of the first black holes are zeroing in on ...

Simulations suggest intense ultraviolet light from young stars pushed gas and dust out of early galaxies, helping explain ...

M😎 "Wait a minute! There's a cat in space!?🤣"L🌕 "It's not a real cat. But it looks like it's sitting with its back turned, ...