When we imagine alien life, we picture monsters, insects, or tentacles—but what if the most realistic aliens are human-like? Evolution tends to solve the same problems with similar designs, and ...

Close-up of Pseudoproscopia latirostris, a unique grasshopper species with an elongated head. Native to South America, it uses its distinctive shape as camouflage in ...

Now a former CIA scientist has claimed that the US government secretly knows about at least four different types of alien ...