Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing ...
Everything audiences need to know about the live-action He-Man reboot ahead of its release this summer.
Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...
At 3.3 billion light-years across, the ring may challenge the “cosmological principle” that the universe looks uniform at sufficiently large scales.
About a century ago, scientists were struggling to reconcile what seemed like a contradiction in Albert Einstein's theory of general relativity. Published in 1915, and already widely accepted ...