Social media posts warned of "exploding trees" when temperatures drop to 20 degrees below zero.

Think "exploding trees" sound like sci-fi? As a polar vortex hits the U.S., here's some of the science behind this loud, ...

USGS footage from a surveillance camera shows Kilauea Volcano in Hawaii erupting on Sunday (January 11) in the latest episode of lava flows since it became more active at the end of 2024.

MOUNT ETNA, Italy — Guides who take tourists to enjoy the striking views of Sicily’s Mount Etna are up in arms over tougher restrictions imposed by local authorities after a round of eruptions at the ...