When we imagine alien life, we picture monsters, insects, or tentacles—but what if the most realistic aliens are human-like?

Aliens might be living among us, according to a study by Harvard academics. A new paper suggests extraterrestrials could also be living underground or in a base inside the Moon. The study by Harvard ...

Scientists have been searching for evidence of extraterrestrial life for decades. So, where are all the aliens? Here are 12 intriguing theories ... When you purchase through links on our site, we may ...

One common complaint about science fiction involving aliens, especially a large and diverse cast of different alien races, is that the aliens just aren't alien enough. It seems like every week, the ...