Some simple sugars detected by astronomers, glycoaldehydes, are thought to be the basic building blocks of life.
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?
Supernovas explode with a bright burst of radiation, giving off as much energy in a few days as our sun will give off in its entire lifetime.
Have you heard about the newest metals? They have been given temporary names, Ununquadium and Ununhexium.
You took a stack of paper and burnt it. What happened to the papers when you lit them up?
Why doesn't the flame just continue to burn underneath the bell, no matter how flat you crush it? The answer is air.
Sugar cubes crumble and fall apart when they get wet. What causes sugar to dissolve?
Could Titan support life? Scientists hope to learn more about Titan's atmosphere to find out!
With all the new technology in use today, what happened to hydrogen-powered cars?
You've probably seen things decay before. How does the process work?