Geophysics
Geophysics is the study of the forces that shape the Earth from a global perspective. Learn about gravity, plate tectonics and other topics.
Worldwide Droughts Uncover Ancient Relics, Ruins and Remains
Ancient Egyptians Believed Cats Had 'Divine Energy'
How has radiocarbon dating changed archaeology?
7 Power Crystals for Protection and Positive Energy
Carnelian Meaning: Healing Properties, Benefits, & Symbolism
Creating Crystal Grids: A Step-by-Step Guide
Where Have All the Seashells Gone?
Why Are Whales So Big?
Why Is the Ocean Different Colors in Different Places?
Learn More / Page 4
Sarah Palin never really said she could see Russia from her house. But how far is Russia from Alaska anyway? And can you see one country from the other?
By Mitch Ryan
The seven largest countries in the world account for nearly half of the world's land area, but one is far larger than the rest. Do you know what the largest country is?
The Decade Volcanoes don't erupt every 10 years, so what is a decade volcano and what puts a volcano on the list?
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The decision made at the 27th General Conference on Weights and Measures will scrap leap seconds for good by 2035.
This seismic boundary lies within Earth between the bottom of crust and the uppermost mantle. But nobody has ever dug down deep enough to confirm it exists. So does it?
The United States is divided into 50 states, small and large. So which is the biggest state in the U.S.A.?
When it comes to rivers, longest doesn't necessarily mean biggest, and length can be difficult to determine, so the top spot will always be debated.