Tag Archives: Extraterrestrial life

SETI vs the possibility of interstellar exploration

Science News has a short article discussing a calculation someone has done showing how small the volume of space examined by SETI (Search for Extraterrestrial Intelligence) is relative the overall size of the galaxy. With no luck so far in … Continue reading

Posted in Space | Tagged , , , , , , | 19 Comments

The power of symbolic thought

One of the things I’ve pondered a few times on this blog is our ability to recognize another intelligence, such as an extraterrestrial intelligence.  On the face of it, this seems straightforward.  Do they form societies, use technology, manipulate their environment, … Continue reading

Posted in Mind and AI | Tagged , , , , , , , | 28 Comments

Why alien life will probably be engineered life

Martin Rees has an interesting article at Nautilus: When We Find Aliens, We Might Find Something Like the Borg This September, a team of astronomers noticed that the light from a distant star is flickering in a highly irregular pattern.1 They considered … Continue reading

Posted in Space | Tagged , , , , , , , | 13 Comments

Snowden’s answer to the Fermi Paradox and its assumptions

The Fermi Paradox is the question that, if the conditions for life in the galaxy are as ubiquitous as they appear to be, so that there should be hundreds, if not thousands of alien civilizations out there, then where is … Continue reading

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G-HAT (Glimpsing Heat from Alien Technologies)

For those interested in the post about finding advanced civilizations in other galaxies by their heat emissions, Paul Gilster at Centauri Dreams has a write up about the study, including links to additional material as well as the actual paper. I found that … Continue reading

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Searching for advanced civilizations in other galaxies: 50 possible candidates found?

At first, this article seems like a bit of a downer: Search for advanced civilizations beyond Earth finds nothing obvious in 100,000 galaxies — ScienceDaily. After searching 100,000 galaxies for signs of highly advanced life, a team of scientists has … Continue reading

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Alien search won’t doom planet Earth, say scientists who want to contact ET

It’s interesting how these related stores seem to come in batches: Alien search won’t doom planet Earth, say scientists who want to contact ET | Science | The Guardian. Fears that a major program to contact alien life could spell disaster … Continue reading

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Subsurface oceans everywhere and the possible pervasiveness of life

Well, it now looks like Ganymede, one of Jupiter’s moons, has a subsurface ocean. Ganymede’s great distinction among moons – apart from its size – is that it has its own magnetic field. Hubble has managed to track that field’s … Continue reading

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Three conditions are necessary for SETI to succeed

Tom Hartsfield has a post up at Real Clear Science criticizing both the Drake equation and SETI: If you like science fiction, you’re probably familiar with the Drake equation. This famous one-line formula solves for the number of intelligent alien … Continue reading

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Methane-Based Life Possible On Titan

ratamacue0 sent me this interesting Slashdot post: Methane-Based Life Possible On Titan – Slashdot. Randym writes: With the simultaneous announcement of a possible nitrogen-based, cell-like structure allowing life outside the “liquid water zone” (but within a methane atmosphere) announced by researchers at Cornell … Continue reading

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