10 Odd Ways Scientists Think Aliens Will Contact Humans

Alien Probes

Alien Probes, much like our unmanned ships and drones, could one day make their way to Earth, giving us a reason to believe in extraterrestrials.

Radio Waves

SETI regularly sends out radio waves broadcasting messages of peace to alien races. Some scientists believe an alien race could be doing the same, but the radio waves have not yet arrived.