Trace Gallagher reports from Los Angeles
More than 300,000 years ago, a massive chunk of rock broke off from Australia's continental shelf, triggering the largest undersea landslide ever known, per Science Alert.
Newly-discovered radiation levels in one of the Fukushima Daiichi Nuclear Power Plant’s reactors are stunningly high.
Tsunamis are among the deadliest forces in nature.
More than 250 small earthquakes along the Southern California-Mexico border on New Year’s Eve have left some residents worried and scientists intrigued.
The magnitude-7.8 Kaikoura earthquake that rattled New Zealand last month may have set up the country for another major quake underneath its capital of Wellington.
Tornados are behaving strangely: The number of tornado outbreaks per year is fairly constant, but the number of tornados per outbreak has skyrocketed.
In the aftermath of the world's worst nuclear disaster in Chernobyl in 1986, which resulted in radiation that ultimately reached as far as Japan and the US, the Soviet Union slappe...
For years, scientists believed the mighty San Andreas—the 800-mile-long fault running the length of California where the Pacific and North American plates meet—could only rupture i...
About 65 million years ago, a huge asteroid slammed into the Earth.