Livescience.com takes action on the inevitable questions stuck in the background – if we do see alien life, then what? What do humans do? What should they do?

Plenty of interesting facts about planets and the galaxy and alien life abound in this discussion.

MORE Will humans ever make contact with an advanced alien civilization? The quest to identify UFOs and even find intelligent life on other worlds has been heating up for decades … to no avail. But there are still plenty of spots and wavelengths where aliens could be hiding. So, […]

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