The Hunga Tonga volcano eruption was one of the most powerful volcanic events in recent history, and it completely destroyed ...

In September 2023, researchers worldwide picked up a strange seismic signal: repetitive shaking every 90 seconds for nine days. Even stranger, it repeated itself a month later. Experts have attempted ...

A new satellite has captured the first direct evidence of a mysterious nine-day seismic signal that shook the world in 2023.