While a "gravity hole" in Antarctica has been on scientists’ radar for some time, its history has never been fully understood. New research is beginning to change that, and in doing so, suggest ...
The loudest black hole collision ever recorded has just given Einstein’s theory of general relativity its hardest test so far. The event, dubbed GW250114, produced a record-smashing signal-to-noise ...
A physicist proposes that the universe is not empty space, but is a viscous fluid, fueling the expansion and contraction we see.