When astronomers look out into the cosmos, they see supermassive black holes (SMBH) in two different states. In one state, they're dormant. They're actively accreting only a tiny amount of matter and ...
Primordial black holes could rewrite our understanding of dark matter and the early universe. A record-breaking detection at ...
The "Cosmic Grapes" galaxy formed just 900 million years after the Big Bang, revealing a never-before-seen structure.
A tiny, dense stellar corpse in a nearby galaxy is pumping out so much energy that, on paper, it should have blown itself apart long ago. The object, cataloged as M82 X-2, blazes in X-rays up to ...
Saturn and the moon will appear close together in the night sky in an event known as a conjunction. The celestial event will be visible for one night on Friday, Jan. 23, 2026, after sunset. Viewers in ...