When we see pictures from Hubble or JWST, they show the Universe in a series of brilliant colors. But what do those colors really tell us?

How did life on Earth begin? Is there life on other worlds? An answer to either question will reflect heavily on the other. 

Today, the deepest depths of intergalactic space aren’t at absolute zero, but at a chill 2.73 K. How does that temperature change over time?

In all directions, at great distances, the Universe looks younger, more uniform, and less evolved. Does that mean Earth must be the center?

Think twice before stepping on that crunchy top layer of soil.