Christopher Osborne

Written by Christopher Osborne

Huge crashing waves in the ocean.

Bodies of Water

How Much Of The World's Water Is In The Oceans?

Groundwater is being pumped, from the San Joaquin Valley aquifer, into an irrigation canal, passing through California farmland.

Bodies of Water

The US Aquifers Being Drained Fastest

View of planet Uranus from space.

Space

Which Planet Is The Coldest?

People observing the Niagara Falls in New York.

Bodies of Water

How Much Great Lakes Water Passes Over Niagara Falls Every Second

The Great Lakes. Elements of this image furnished by NASA.

Bodies of Water

How The Great Lakes Compare To The World's Largest Lakes

infographic showing major rivers that connect the great lakes

Bodies of Water

The Longest Rivers Flowing Out Of The Great Lakes

Thermopylae saw Greeks, including Spartans, fiercely resist Xerxes' Persian invasion.

History

The Strongest Ancient Navies Ever Assembled

Lake Mead at the West Penstock Tower of the Hoover Dam. (Image Credit Michael Alford via Shutterstock)

Bodies of Water

What Happens When A Reservoir Hits Dead Pool

Lake Mead at the West Penstock Tower of the Hoover Dam. (Image Credit Michael Alford via Shutterstock)

Bodies of Water

What Happens If The Colorado River Stops Reaching Lake Mead

An orrery simulates the motions of the planets. Via Shutterstock / Pavel Diachenko

Space

Which Planet Has The Longest Year?

Greek hoplite and Persian warrior fighting each other. Depiction in ancient kylix. 5th c. B.C. National Archaeological Museum of Athens. Image via Wikimedia Commons.

History

Why Ancient Greece Never United Into One Empire

Lake Mead at the West Penstock Tower of the Hoover Dam. (Image Credit Michael Alford via Shutterstock)

Bodies of Water

How Long Would It Take To Refill Lake Mead?

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