It's a gas! Air consists of nitrogen and oxygen and lots of empty space.
Climate change may not only devastate food crops, but also diminish plants' nutritional value.
You might not know it, but you very likely use bitumen every day.
Without riparian vegetation, salmon would be in dire straits.
Today's Moment of Science "digs up" the story behind one of the grizzly bear's more unusual nicknames: the "Rototiller of the Rockies."
The butterwort might be a small scale carnivore, but its hunting tactics are nothing short of terrifying, at least within the insect world!
How do they keep the chips so fresh and crisp inside those plastic bags?
I have a friend who says there's not much oxygen on earth. Ever since I heard that I can't catch my breath! What's the truth?
In addition to providing a spectacular light show, and scaring us to death, lightning also helps fertilize the soil.
A Moment of Science looks at the many different moons in our solar system.