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SETI

SETI: The Search for ET
Image: ESO/C

SETI: The Search for ET

SETI — the search for extraterrestrial intelligence — is not just the stuff of science fiction. It is the very serious work of astronomers who hope to prove we are not alone in the universe. Join the systematic search for signs of advanced civilizations.

NOVA/PBS
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Are We Alone?: The Drake Equation

Are We Alone?: The Drake Equation

What are the odds of intelligent life beyond our solar system? Play this game to take a closer look at the formula Frank Drake created in 1961 to help us answer that question. More...

Game
BrainPOP
Found! 3 Super-Earth Planets that Could Support Alien Life

Found! 3 Super-Earth Planets that Could Support Alien Life

An international team of scientists found 3 planets in the "habitable zone" around the star Gilese 667C. Take a closer look at this star, 22 light years away from our planet, and its "super-Earths." More...

Article
Space.com
Talk to Me: A New World of Discovery

Talk to Me: A New World of Discovery

SETI is the project that searches for intelligent extraterrestrial life. But where do you begin? Listen to two top alien hunters. More...

Video
SETI Institute
Frank Drake: First Contact

Frank Drake: First Contact

Can you imagine what first contact with an alien life form would feel like? Frank Drake actually can. Drake describes the feeling that accompanied his close calls as he watched for alien life. More...

Video
SETI Institute
SETI@home

[email protected]

Want to help hunt for aliens? SETI researchers comb through signals from space, searching for evidence of ET. But to do that, they need a lot of computing power. That's where you come in. More...

Activity
University of California, Berkeley
The Chance of Finding Aliens

The Chance of Finding Aliens

The Drake equation is a formula used to estimate the possibility of finding intelligent life in the universe. While some of its factors are still unknown, it has played an important role in SETI. More...

Article
Sky & Telescope
There Are (Probably) Billions of Earth-Like Planets in the Universe

There Are (Probably) Billions of Earth-Like Planets in the Universe

The Kepler space telescope's survey of 42,000 Sun-like stars let astronomers estimate that about 1 in 5 have planets that might hold life. And that is an "astoundingly large number." More...

Article
The Atlantic
ATA Image Gallery

ATA Image Gallery

Using the Allen Telescope Array in Northern California, researchers at SETI continue to search our universe for intelligent life. Explore the telescope array in this image gallery. More...

Images
SETI Institute
Can Our TV Signals Be Picked Up on Other Planets?

Can Our TV Signals Be Picked Up on Other Planets?

What two things would you need to get a signal to another planet? Find out. Then get the details about an effort to send 500 messages to a planet more than 20 light-years away from Earth. More...

Article
BBC
Jill Tarter - Beating the Odds

Jill Tarter - Beating the Odds

Jill Tater, said to be the inspiration for the movie Contact, has devoted her life to searching for extraterrestrials. Find out more about this amazing scientific pioneer. More...

Profile
SETI Institute
Looking at the Earth Through Extraterrestrial Eyes

Looking at the Earth Through Extraterrestrial Eyes

SETI is searching for intelligent extraterrestrial life. But what if there are ETs out there looking for us? Jill Tarter of SETI offers some ideas about what they would find. More...

Video
Big Think
PacSci-Doku: Many Earths

PacSci-Doku: Many Earths

The discovery of what object makes scientists think there may be many Earths in the universe? Use o, a, e, t, n, p, x, and l to get the answer. More...

Game
Pacific Science Center
Rainbow Fire

Rainbow Fire

The atomic composition of distant stars influences the likelihood of life on the planets that orbit them. Scientists can determine what a star is made of by studying the colors it emits. In this hands-on project, you can do something similar. More...

Activity
Science Buddies
Search for and Design a Habitable Planet

Search for and Design a Habitable Planet

SETI's mission is to find a planet with intelligent life, but how difficult is it to find even a habitable planet? Find out in this interactive, guided by a cartoon ferret...the obvious tour guide choice. More...

Interactive
NASA
SETI 101: SETI Institute

SETI 101: SETI Institute

SETI, the organization charged with discovering extraterrestrial life has been operating since 1959. While we still haven't found signs of aliens, as the technology improves more possibilities arise. More...

Article
SETI Institute
SETI Search Reveals No Alien Signals from Exoplanets

SETI Search Reveals No Alien Signals from Exoplanets

The search for intelligent life in the universe is a lot like looking for that needle in the haystack. But even though recent efforts have been unsuccessful, the hunt goes on. More...

Article
Space.com
The Wow! Signal: Intercepted Alien Transmission?

The Wow! Signal: Intercepted Alien Transmission?

Is it possible we have already heard from an alien life form? Read this article about the Wow! signal that occurred in 1977 and decide for yourself. More...

Article
Discovery

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