Something Invisible Is Warping Space. No Current Dark Matter Model Explains It.

One of the most luminous stars in Andromeda quietly collapsed and became a black hole — no explosion, no warning.

The invisible glue holding galaxies together may be wreckage from a universe that died before ours began. Could dark matter predate the Big Bang itself?

Double the fireballs. Rocks through roofs. Sonic booms every three days. Scientists have ruled out meteor showers, camera effects and AI. What's left?

A planet declared geologically dead for billions of years may have an active mantle plume.

A galaxy that stopped making stars billions of years ago is firing off intense radio bursts — and the leading explanation involves ancient stellar corpses finding each other in the dark.