extraterrestrial intelligence

Alien Intelligences?

The existence of extraterrestrial intelligence (ETI) has been debated since the ancient Greeks. Views have never been unanimous, and the center of opinion has periodically shifted between positive and negative. Over the last few decades, both intellectual and public opinion have been decisively in the pro-ETI camp. Unfortunately, the debate has taken place on a very slanted playing field, at Read More ›

alien eye.jpg
Evil eye.

What Would Real Little Green Men Tell Us About Evolution — And God?

They need not be little, of course, nor green, nor, for that matter, come in more than one sex: indeed (with apologies to most episodes of Star Trek), they probably wouldn't recognizably be "men" at all. But extraterrestrial intelligent life would need to be intelligent — meaning, operationally, able to manipulate electromagnetic radiation to carry signals. Read More ›