This artist concept depicts a reconstruction of what the Firefly Sparkle galaxy looked like about 600 million years after the big bang if it wasn’t stretched and distorted by a natural effect known as ...

Dark energy, the mysterious phenomenon that powers the expansion of the universe, may undergo periodic 'violent transitions' ...

Astronomers Stunned to Stumble on 'Cosmic Horseshoe' With a Black Hole the Size of 36 Billion Suns Experts have detected a ...