A Star in Andromeda Skipped the Explosion
One of the most luminous stars in Andromeda quietly collapsed and became a black hole — no explosion, no warning.
Astronomy
The Dark Matter Answer May Have Arrived From Before Time Began
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?
Space Sent Bigger Fireballs in March. People Noticed.
Double the fireballs. Rocks through roofs. Sonic booms every three days. Scientists have ruled out meteor showers, camera effects and AI. What's left?
Mars Volcano Is Changing the Planet
A planet declared geologically dead for billions of years may have an active mantle plume.
Something Invisible Is Warping Space. No Current Dark Matter Model Explains It.
A Dead Galaxy Is Screaming Radio Signals Into Space. It Shouldn't Be.
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.
A Supermassive Black Hole Just Went Dark on a Human Timescale
The models said this would take thousands of years. A galaxy 10 billion light-years away apparently didn't get the memo — and now the whole framework is in question.