I think many of us have more than a passing interest in extremes and world records. The Guinness Book of Records, cofounded ...

A 7.8 magnitude undersea earthquake near Russia caused a tsunami scare. Here's why we fear the destructive waves ...

A powerful 7.8 magnitude earthquake off the Pacific coast of Russia triggered a brief tsunami advisory that was later canceled for some coastal areas of Alaska's Aleutian Islands Thursday. The ...

New research offers the theory that the San Andreas fault and the Cascadia subduction zone could produce devastating ...

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New ways to measure thawing permafrost could help us understand its potential impacts on infrastructure, military outposts, ...

Volcanoes are among the most powerful forces of nature. Throughout history, some eruptions have shaken the Earth, changed the ...

President Donald Trump threatened Tuesday to illegally revoke Americans’ health care benefits if Democrats in Congress don’t ...

Known to some as the “Freshwater Everest,” if you want to explore this mountain, you don’t go up, you go down.

There was no tsunami threat to Hawaii after a strong earthquake struck off Russia Thursday morning. It's the same region that triggered a tsunami warning for us back in July.