It records sounds that no human ear can hear, like the low roar of a meteor slicing through the upper atmosphere, or the hum an iceberg makes when smacked by an ocean wave.
It has picked up threats invisible to the human eye, such as the haze of radioactive particles that circled the planet after the Fukushima nuclear accident in Japan in 2011.
The engineers who designed the world’s first truly planetary surveillance network two decades ago envisioned it as a way to detect illegal nuclear weapons tests. Today, the nearly completed International Monitoring System is proving adept at tasks its inventors never imagined.



They've been mistaken for UFOs or dismissed as hallucinations. Now geologists have collected a near-definitive list of a rare but fascinating phenomenon — earthquake lights.
Nearly three years after a major earthquake, tsunami and nuclear radiation leak devastated coastal and inland areas of Japan's Fukushima prefecture, 175 miles north-east of Tokyo, Namie has become a silent town of ghosts and absent lives.
Standing atop a giant wedding cake float, Aubrey Loots and Danny Leclair exchanged vows New Year's Day in the first same-sex marriage during the Tournament of Roses Parade.
Temperature rises resulting from unchecked climate change will be at the severe end of those projected, according to a new scientific study.
There will be no permanent peace deal with Israel until all Palestinian prisoners are set free, Palestinian President Mahmoud Abbas said early Tuesday.





























