Aliens have inspired some of the greatest TV series of all time, but only a few can truly be called perfect television.

The San-Ti are a technologically advanced alien race that live on a chaotic, dying world. Their home is part of a system of ...

For generations, humans have imagined what it would be like to discover life beyond Earth. Would alien beings look anything like us? Would they communicate through sounds, signals, or something ...

Quiz: Do you know your aliens? TENTACLED monsters, pale skinny humanoids, shimmery beings of pure energy… When it comes to the question of what alien life forms might look like, we are free to let our ...

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

When Neil deGrasse Tyson was 9 years old, he visited the Hayden Planetarium for the first time. Growing up gazing into light pollution in the Bronx, he had no idea there were that many stars. “I was ...