Radio SETI

How Far Away Could We Detect… Ourselves?

Revelations from the past can seem quaint once we've been living with them for a generation or two. That's true…

2 weeks ago

After all of This Time Searching for Aliens, is it The Zoo Hypothesis or Nothing?

In 1950, during a lunchtime conversation with colleagues at the Los Alamos National Laboratory, famed physicist Enrico Fermi asked the…

1 year ago

Breakthrough Listen Scans Entire Galaxies for Signals From Extremely Advanced Civilizations

In 1960, Dr. Frank Drake led the first Search for Extraterrestrial Intelligence (SETI) experiment at the National Radio Astronomy Observatory…

1 year ago

SETI Works Best When Telescopes Double-Check Each Other

A new paper recommends that future SETI experiments rely on simultaneous observations to eliminate background interference.

1 year ago

Astronomers are Searching for a Galaxy-Wide Transmitter Beacon at the Center of the Milky Way

Researchers with the SETI Institute have monitored the center of the Milky Way for possible transmissions from a galactic beacon.

2 years ago

How Many Intergalactic Radio Stations Are Out There?

A new study suggests that we could expand the scope of SETI research by looking for civilizations beyond our galaxy.

2 years ago

Advanced Civilizations Could use Their Stars to Communicate (and as Telescopes)

A Long Distance Call E.T. managed to call home with a Speak and Spell, buzzsaw blade, and an umbrella. The…

3 years ago