How would the world change if we found extraterrestrial life?

In 1938, Orson Welles narrated a radio broadcast of "War of the Worlds" as a series of simulated radio bulletins of what was happening in real time as Martians arrived on our home planet. The broadcast is widely remembered ...

Analysis of the First Kepler SETI Observations

As the Kepler space telescope begins finding its first Earth-sized exoplanets, with the ultimate goal of finding ones that are actually Earth-like, it would seem natural that the SETI (Search for Extraterrestrial Intelligence) ...

Dolphins, aliens, and the search for intelligent life

How do we define intelligence? SETI, the Search for Extraterrestrial Intelligence, clearly equates intelligence with technology (or, more precisely, the building of radio or laser beacons). Some, such as the science fiction ...

Scientists suggest protocol for messaging to aliens

(PhysOrg.com) -- In 1974, humans broadcast the first message targeted at extraterrestrial life using the Arecibo radio telescope in Puerto Rico. The message, which was aimed at the globular star cluster M13 located 25,000 ...

Are we ready for contact with extraterrestrial intelligence?

The SETI project scientists are known for tracking possible extraterrestrial signals, but now they are also considering sending messages from Earth telling of our position. A researcher from the University of Cádiz (Spain) ...

No alien 'signals' from cigar-shaped asteroid: researchers

No alien signals have been detected from an interstellar, cigar-shaped space rock discovered travelling through our Solar System in October, researchers listening for evidence of extraterrestrial technology said Thursday.

The Eerie Silence

Why have we not made contact with aliens after so many years searching the depths of space? The Eerie Silence, a new book by SETI researcher Paul Davies, provides a fresh and thoughtful look at this question.

Should we call the cosmos seeking ET? Or is that risky?

Astronomers have their own version of the single person's dilemma: Do you wait by the phone for a call from that certain someone? Or do you make the call yourself and risk getting shot down?

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