Oceanography

Oceanography is the study of the oceans as ecological systems. In this section, learn about topics like currents, deep-sea research or how rogue waves work.

Worldwide Droughts Uncover Ancient Relics, Ruins and Remains

450 Huge Geometrical Earthworks in the Amazon Hint at Past Civilizations

Ancient Egyptians Believed Cats Had 'Divine Energy'

15 Types of Gemstones to Add a Little Sparkle to Your Life

13 Brown Gemstones for Understated Elegance

10 Red Gemstones That Evoke Power and Bold Luxury

10 Longest Rivers in the U.S.: From the Missouri to the Brazos

What Is the Smallest State in the USA? Looking at Area and Population

Venice Isn't Alone: 7 Sinking Cities Around the World