Humans have practiced head shaping for tens of thousands of years, and anthropologists are beginning to uncover clues as to why.

The truth about aliens may be out there, but don't expect them to look like little green men, RadarOnline. com can report.

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

Some insects look more like aliens than they do insects. One example is a grasshopper that is able to survive by not looking like one at all. The Peruvian jumping stick has a unique appearance for a ...