Better ice tower reservoirs for farming

Automation can build bigger and better ice tower reservoirs that use less water and last longer for farming use in dry, high-altitude locations.

Yellowstone partially reopened this week after June 13 closure

Historic Yellowstone flooding temporarily closed the park. The park reopened on a limited basis on June 22. Learn why the flood happened here.

Lightning storm largest in California in 5 years

A 2-day lightning storm pummeled California this week with more than 66,000 lightning events, bringing little rain but sparking wildfires.

Summer solstice, cycles of nature and Chinese philosophy

In Chinese thought, the summer solstice is associated with the color red, the sound of laughing, the fire element and a red phoenix.

Magnetic pole flip on Earth? Probably not soon

Is the South Atlantic Anomaly a sign that a magnetic pole flip on Earth is imminent? No, say researchers who analyzed 9,000 years of magnetic field history.

A meltwater imbalance from Earth’s 3rd Pole

An imbalance in runoff from melting glaciers at Earth's 3rd Pole - aka the Asian Water Tower - may mean more water in the north and less in the south.

Rivers can suddenly change course, study says

Studying rivers from space using satellite imagery helps scientists see how rivers can suddenly change course, bringing the risk of flooding to communities.

Ocean rings’ mystery stems from shape of seafloor

Researchers explain why some ocean rings, or eddies, last for months, while other last for years. The secret is the seafloor, they said.

Fireflies: How and why they light up

A firefly's familiar glow is caused by a chemical reaction. Why and how fireflies light up here, plus many wonderful firefly photos.

A word about Earth’s water cycle

Earth's water cycle is vital to life. Although the amount of water on Earth is fixed, it continually cycles between the oceans, atmosphere and land.

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