Astronomy Cast

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Ep. 612: Update: SETI, METI (and WETI)

Ep. 612: Update: SETI, METI (and WETI)

Last week we talked about the various ways that astronomers could detect the presence of intelligent civilizations by observing technosignatures. This week we’ll give you an update on the state of searching for extraterrestrials. This field has gone from a collection of pariahs to a completely legitimate field of research. What’s changed?

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Ep. 611: What is Required to Confirm Alien Life: Intelligence Edition

Ep. 611: What is Required to Confirm Alien Life: Intelligence Edition

Last week we talked about what it’s going to take to confirm basic biological life across the Solar System and the Milky Way. This week, we’ll discuss what it’s going to take to detect intelligent life out there in space.

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Ep. 610: What is Required to Confirm Alien Life: Non-sentient Edition

Ep. 610: What is Required to Confirm Alien Life: Non-sentient Edition

Are we alone in the Universe? It’s one of the biggest scientific questions we can possibly ask. And yet, with rovers on Mars, missions planned to visit Europa and Ganymede. Powerful telescopes able to detect the atmospheres of exoplanets, we’re closer than ever to finding out the answer.

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