Curious Minds

Jill Tarter, co-founder of the SETI Institute, lists scientific reasons why it is plausible for other life forms to exist in the universe.

Michael Summers, professor of planetary science and astronomy at George Mason University, explains how creatures that survive in extreme conditions on Earth provide a broader perspective on what's possible elsewhere.

Jill Tarter, co-founder of the SETI Institute, explains the technology behind artificial looking radio waves.

Jill Tarter, co-founder of the SETI Institute, debates the merits of transmitting signals to outer space and wonders if a response is received, who would speak for Earth.

Michael Summers, professor of planetary science and astronomy at George Mason University, wonders if alien life forms might be utterly different from life as mankind knows it.

Jill Tarter, co-founder of the SETI Institute, describes the organization's historical search for extraterrestrial life.

Jill Tarter, co-founder of the SETI Institute, explains why the organization's role is that of universal historians.

Michael Summers, professor of planetary science and astronomy at George Mason University, would be surprised if alien life isn't discovered in the next 30 years.

Jill Tarter, co-founder of the SETI Institute, outlines protocol that would be followed if an alien signal is detected.

Jill Tarter, co-founder of the SETI Institute, describes radio telescopes and their importance in the search for extraterrestrial life.

Jill Tarter describes why the SETI Institute searches for extraterrestrial life.