Opinion
Isaac Arthur on MSNOpinion

Human aliens

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 ...
A former CIA‑funded researcher has claimed that US insiders believe four types of alien life have been recovered from UFO ...