A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge ...

A censure is considered a severe public rebuke. Here's what else to know, including examples of other censured senators and representatives.

New technologies are giving scientists a better understanding of how the process actually works. For many people, aging feels ...

Hydrothermal alteration is a complex geological process that can later serve as an indicator of gold deposits for mineral ...