Form

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How Do Tornadoes Form?
Environment

How Do Tornadoes Form?

Tornadoes are violently rotating columns of air that extend from a thunderstorm to the ground. Most strong tornadoes form from supercell thunderstorms, but not every sup…

September 11, 2026
How Do Hurricanes Form?
Environment

How Do Hurricanes Form?

Hurricanes form over warm tropical oceans when the atmosphere and ocean supply a specific combination of heat, moisture, rotation and organized thunderstorms. In other r…

September 11, 2026
What Is a Supermassive Black Hole?
Space science

What Is a Supermassive Black Hole?

Supermassive black holes contain millions to billions of times the Sun's mass and are found at the centers of many large galaxies. Their enormous mass distinguishes them…

September 11, 2026
What Is a Black Hole and How Do Black Holes Form?
Space science

What Is a Black Hole and How Do Black Holes Form?

A black hole is a region where matter has been compressed so strongly that, inside a boundary called the event horizon, escape would require moving faster than light. Bl…

September 11, 2026
How Do Batteries Work?
New technology

How Do Batteries Work?

Batteries store energy in chemical form and release electrical energy when reactions drive electrons through an external circuit and ions through an electrolyte.

September 10, 2026
What's under the desert sand?
Discover science

What's under the desert sand?

When we think of deserts, we often think of endless white sand dunes. What lies beneath the sand?

September 9, 2025