Translating Uncle Sam

Are fireworks bad for the environment?

What is the Great Pacific Ocean Garbage Patch?

What are the different types of lightning?

How does the flu work?

White-nose syndrome haunts bats

How floods happen, and how to be safe

Are wildfires getting worse?

Earthquakes: Finding fault with nature

What causes tornadoes?

Road salt's Catch-22: It works, but at a price

Flaking out: How snow forms

Interactive: Explore the surface of Mars