Looking for life: How and why?

Looking for life zillions of miles away:

Jill Tarter on why looking for life elsewhere is good.

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Don Backer, an astrophysicist at the University of California, Berkeley who discovered the first millisecond pulsar, died on July 25. He was director of Berkeley's Radio Astronomy Laboratory and the Allen Telescope Array (ATA) in Hat Creek, California - a collection of 42 dishes that recently began…
Update: The broadcast went really well. Thanks to everyone for participating. You can check out the replay and transcript with Jill Tarter and Seth Shostak here â Stay tuned for more interactive broadcasts to come. We've got some dingers lined up... Join us tomorrow for a special interactive…
Let's define alien. Definition number one: unfamiliar. By that description alone, a good 99% of life on this planet is alien. Breathing water, living nestled in thermal vents, stalking prey on the veldt, growing out of the Earth and eating sunlight, without eyes, without legs, with extra legs,…
“We… are what happens when a primordial mixture of hydrogen and helium evolves for so long that it begins to ask where it came from.” -Jill Tarter But that doesn't mean we can't also look to the hydrogen itself, and use its information to learn about where other things may have come from! Image…