A record-breaking deep earthquake registered in May 2025 offshore of Japan likely was not a tectonic event, but triggered by a mineralogical shift in Earth’s mantle.

A fifth-grade boy whose family lost their home in last year's Jan. 1 earthquake was left shaken and unable to sleep. Now, ...

A sinkhole at an intersection in Saitama Prefecture that swallowed a truck collapsed further Thursday and merged with a ...