Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake ...

The science behind why the Earth will spin just a little bit faster on July 9, July 22, and August 5, this year.

A three year-old rescue dog named Wilson, who took part in rescue efforts following last year's April 3 earthquake, died last month after falling three stories during a training session.

Then, colliding with another soggy system sliding north off the Pacific, the storm wobbled and its clouds tipped, ...

A new rule that would have made canceling services as easy as starting them up won't be happening. Here are tips on how to ...

NBC News' Julie Tsirkin asks Israeli Prime Minister Netanyahu about the reported working plan to move Palestinians out of ...