Anxiety is often not an all-or-nothing feeling. Just like other emotions, anxiety exists along a continuum with different levels of intensity. You can picture this continuum using the anxiety ...

Earthquakes and seismic activity often happen with sudden movements underground with tectonic plates. Seismographs are used by scientists to measure the time, location and strength of an earthquake.

Add Yahoo as a preferred source to see more of our stories on Google. Nespresso machine and coffee - Jonathanfilskov-photography/Getty Images It turns out that the bleary-eyed version of you in the ...

We know an earthquake is severe when it has a high magnitude number. The 1985 quake that devastated Mexico City was an 8. The quake that shook central Mexico this week was a 7.1. But what exactly is ...

Atmospheric rivers, which are long, narrow bands of water vapor, are becoming more intense and frequent with climate change. A new study demonstrates that a recently developed scale for atmospheric ...