10 Theories Why We Haven't Discovered Aliens Yet
8. We Are The First
Considering the vast age of the universe, Earth emerged surprisingly early to develop life. Similar to the previous entry, this hypothesis believes Earth is the most annoying Youtube commenter, the one hurriedly typing down, "First! I'm first, guys!" It is not unreasonable to assume that humans are the first creatures to become sentient and develop the technology to begin searching the galaxy because Earth did develop relatively early on.
In comparison to Earth, other planets could lay dormant for thousands or millions of years to come. Humanity could be waiting, checking its watches and tapping its feet impatiently, while alien existence is on the horizon. In that case, humans are going to be on their own for quite some time.