Tag: extraterrestrial life

Possibly habitable world found

Astronomers have found the first extrasolar planet where carbon-based “life as we know it” could conceivably exist: A planet of about five times Earth mass, one whose radius is only 1.5 times that of our own world. Moreover, a planet that’s smack in the middle of its star’s habitable zone, with a mean temperature estimated …

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"The purple, purple grass of home…"

I blogged briefly a couple of posts ago about the fact the early Earth might have been purple, not green. This means, of course, that other planets could even now be predominantly orange or purple rather than green, and still have organisms drawing their energy from the sun just as green plants do here. John …

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You say OVNI, I say UFO

France has unveiled a new web site that ought to be fun to poke around in: France became the first country to open its files on UFOs Thursday when the national space agency unveiled a website documenting more than 1,600 sightings spanning five decades. The online archives, which will be updated as new cases are …

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Vast caverns on Mars…

…if they exist, would be a great place to look for life and water. Now some researchers think they may have spotted them.

Huge water reservoirs hidden beneath the Martian surface?

The possibility has suddenly become far more likely. If…if…it pans out, a round trip to Mars just become both much more appealing and much easier. And the likelihood of life on the fourth planet much greater. (As an aside, note that the Mars atmosphere expert quoted at the end of the story is named David …

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The Viking probes 30 years ago may have found life on Mars..

…and then promptly killed it.

SETI @ Home, revisited

Every day, I help search for extraterrestrial intelligence…or, at least, my computer does. It’s one of more than 4,287,000 computers worldwide called SETI@Home (SETI stands for Search for Extraterrestrial Intelligence) which constantly examine data collected by the huge Arecibo radio telescope in Puerto Rico for signals that could have come from extraterrestrial civilizations. Any signals …

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Extraterrestrials

On the television program The X-Files, FBI agent Fox Mulder is always searching for proof of extraterrestrials, mostly by exploring old warehouses with his trusty flashlight and cell phone. But as an article by Ron Cowen in the November 1 issue of Science News points out, the real search for non-terrestrial life is taking place in university and …

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SETI @ Home

Alas for the good old days, when we thought the Earth was the center of the universe. Today we know our sun is only a very average star in a very average galaxy, in a universe where there are 50 billion galaxies, containing half a trillion stars each, around which, based on recent observations, planets …

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Life on other planets

On the television program The X-Files, FBI agent Fox Mulder is always searching for proof of extraterrestrials, mostly by exploring old warehouses with his trusty flashlight and cell phone. But as an article by Ron Cowen in the November 1 issue of Science News points out, the real search for non-terrestrial life is taking place in university and …

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