How Will We (Most Likely) Discover Alien Life?

The first discovery of extraterrestrial life will almost certainly NOT be when it visits us, nor when we visit it. It won’t be when we see it’s stray TV signals. It’ll be in the excruciatingly faint changes in the color of alien sunsets glimpsed hundreds of light years away. Today we’re going to...

19 min - Space & the Universe - PBS Space Time

More: Searching for Aliens documentaries

Read Deeper: Searching for Aliens

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