Rivalries form the backbone of college football. After months of research and debate, here's how the top 100 stack up.

A new book explores the science behind why we as humans have often sought to push beyond our current boundaries into the ...

A hydrologist explains why Texas Hill Country is known as Flash Flood Alley and how its geography and geology can lead to ...

"There's no such thing as a natural disaster," geographers like to say -- a reminder that human choices turn hazards into ...