Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

Earth is home to some truly unbelievable life forms. From transparent animals and deep-sea nightmares to creatures with blue blood, multiple hearts, and bizarre body shapes, evolution has produced organisms so strange they seem completely alien.

Astrophysicist Neil deGrasse Tyson has backed former President Barack Obama after he suggested extraterrestrial life exists. In a February interview with podcast host Brian Tyler Cohen, President Obama was asked,

"Never-before-seen files" on UAPs posted by US Department of War, including some images taken by Apollo missions.