Most cosmologists believe that these stars were the first large, free-floating structures to illuminate our universe, and that black holes appeared later. But some have proposed that it went the other ...

This controversial theory says the universe is subject to an ultimate, higher-order law that we can’t comprehend.

Pulsars suggest that ultra–low-frequency gravitational waves are rippling through the cosmos. The signal seen by ...

Korean astronomers have presented research that challenges the prevailing theory of an ever-accelerating cosmic expansion, ...

Join the celebration of International Astronomy Day by looking up at the spectacular southern night sky, engaging in exciting ...

Cosmologists can now explore data faster than ever before with a new emulator. As astronomers continue to uncover the ...