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Extrasensory perception, or ESP, suggests the ability to perceive events beyond the conventional senses of sight, hearing, and touch. Parapsychologists, who research ESP and related psychic phenomena, categorize ESP into three main types: precognition, telepathy, and clairvoyance.
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Related Experiment Video

Updated: Jun 5, 2026

Conducting Miller-Urey Experiments

Conducting Miller-Urey Experiments

Published on: January 21, 2014

The search for extra-terrestrial intelligence.

¹SETI Institute, 189 North Bernardo Avenue, Mountain View, CA 94043, USA. fdrake@seti.org

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences

|January 12, 2011

Summary

This summary is machine-generated.

The search for extra-terrestrial intelligence (SETI) has evolved significantly, incorporating radio, optical, and infrared signals. Future SETI endeavors require adaptability and an open mind to new strategies and potential discoveries.

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Area of Science:

Astronomy
Astrobiology
Information Science

Background:

The historical search for extraterrestrial intelligence (SETI) has primarily focused on radio astronomy.
Recent advancements have validated the pursuit of optical and infrared signals for SETI.

Purpose of the Study:

To review the history and evolution of SETI.
To explore current and future strategies, including new instruments and detection methods.
To emphasize the importance of open-mindedness in guiding future SETI paradigms.

Main Methods:

Historical review of radio, optical, and infrared SETI approaches.
Analysis of major advances and technological developments in signal detection.
Discussion of evolving search strategies and theoretical frameworks.

Main Results:

Radio searches have a long history with significant technological progress.
Optical and infrared searches are now recognized as viable and complementary SETI methods.
The history of SETI is characterized by paradigm shifts, necessitating flexibility.

Conclusions:

SETI encompasses diverse methodologies beyond traditional radio astronomy.
Technological innovation continues to expand the possibilities for detecting extraterrestrial signals.
Future success in SETI hinges on embracing evolving paradigms and maintaining intellectual openness.