Some simple sugars detected by astronomers, glycoaldehydes, are thought to be the basic building blocks of life.
Solar tornadoes are solar gases swirling in monstrous formations deep within the sun's atmosphere, measuring the width of several Earths.
If you've ever glanced skyward, you've probably noticed the sheer numbers of stars. Some are tiny, barely visible points. Others radiate strong white light.
Often problems, whether in math, science, or daily life, are hard to solve because we're not asking the right questions.
The Mars Science Laboratory mission is sending its largest rover to the red planet. That rover's name is Curiosity.
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.
FAST is a new telescope that has panels that can shift position to create smaller curved dishes anywhere on its surface.
A Moment of Science looks at the many different moons in our solar system.
So, if the planet doesn't orbit a sun, can it still be called a planet?
If you could see an alien planet from Earth, you wouldn't necessarily need to look for cities. You could just check for oxygen in the atmosphere.