The word alien comes from the Latin word 'aliēnus', which means "not one's own, of others, foreign, strange". It is derived from the Latin word alius, which means "other". The concept of aliens has ...

Following speculation that comets could have been alien spacecrafts, more and more experts in the field are convinced that ...

The Drake Equation helps scientists estimate the odds of finding intelligent alien civilizations. It’s an age-old question: Do aliens exist? And what are the odds we’ll make contact? A famous ...