If we can see at most 3% of the universe, how can we estimate the total number of galaxies in it? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Astrophysicist Neil deGrasse Tyson is a favorite of mine. Common sense driven, he tackles the mysteries of the universe with persistence and ever-questioning all-types of methods. And he explains to ...

WTF?! Theoretically, you can create a PDF that could cover half the area of Germany. One software developer set out to discover if that is true and realized she could go much, much bigger. Have you ...