Discover why volcanoes erupt, how magma and gases cause eruptions and why volcanoes are essential for life on Earth.

In this case, I am talking about atmospheric pressure. Pressure is not something we ordinarily dwell on before or during a flight. But if you fly in a location where the mountain peaks are plentiful, ...

The hail was caused by a slow-moving, cold-core low-pressure system that allowed storms to strengthen and pelt the Valley with ice. This fall has been uncharacteristically wet for much of Arizona, ...

The global prevalence of childhood hypertension has remained on an upward trajectory in recent years, according to an updated systematic review and meta-analysis. The pooled prevalence of childhood ...

(CNN) - Across the globe, high blood pressure in children has nearly doubled over the past two decades. A new study found that back in 2000, rates of hypertension in boys and girls hovered around 3%.