We humans are no strangers to the idea of strangers in space. And with more and more exoplanets being discovered, the possibility of finding life elsewhere may be closer than we think. So this week, the Cosmos vault looks beyond our star system for the possibility of – and our search for – galactic neighbours.
Alien life
The discovery of life on other planets may be just around the corner – but will we recognise it when we see it? Read more
Searching for aliens through history
Far from being a product of the UFO craze, the desire to contact intelligent life dates back to Ancient Greece. Read more
New ‘Drake equation’ for alien habitats
An equation that counts habitats suitable for alien life could complement the Drake equation, which estimates the probability of finding intelligent beings elsewhere in the galaxy. Read more
Originally published by Cosmos as From the vault: Alien encounters
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