What Do You Say to An Extraterrestrial?
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I once thought that worrying about what we should broadcast to extraterrestrials made as much sense as fretting over the small talk I'd venture with King Carl XVI Gustaf if I won the Nobel Prize. I reckoned there was no need to dwell on the problem, as it was both hypothetical and irrelevant.
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Researchers behind the study speculate that other life-forms may have already sent us messages, perhaps even as organic material embedded in asteroids that have struck Earth.
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Dotted around the globe are shadowy, short-range transmitters beaming strange radio messages across the planet. The messages are indecipherable, and often unlistenable. Nonetheless, they have their fans. By Jason Walsh.
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Comment is free: Johnjoe McFadden: The location of a newly discovered planet is good news in the search for extraterrestrials.
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Recent analyses of ESAÃ¢ÂÂs Mars Express data reveal that concentrations of water vapour and methane in the atmosphere of Mars significantly overlap. This result provides important new hints to evaluate the hypothesis of present life on the Red Planet.
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Yoo-hoo! Primitive race here, ripe for conquest/harvest! A pair of noted space thinkers have resigned from an international body in protest at plans to send out powerful radio signals to alien civilisations. The two men feel that the risks of contact with extraterrestrials - who would need to be much more technologically advanced than humanity in order to visit us - have not been adequately considered.â¦
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Say you sealed tons of radiactive waste half a mile below the New Mexico desert. Assuming the facility survived for 10 thousand years, what sort of  "danger" sign would you need? By Vince Beiser.
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The 130 extrasolar planets discovered so far are in solar systems very different from our own, in which life-bearing planets like Earth are unlikely to exist. But an obscure characteristic of these planets and their stars has led astronomers to predict that our galaxy is brimming with solar systems like ours. The key to their prediction is something called metallicity.
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Looking ahead to the new year we would like to know what you are hoping for. Send us your comments.
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An expression denoting repulsion, derived from an English-to-Chinese-to-English translation of Darth Vader screaming "Nooo!"
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Frankly Speaking: Frank Hayes relates a chat Santa had with an elf about annual gift giving to the IT world. And what's with all the penguins? Santa wants to know.
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Some experts think that the hunt for extraterrestrial life should be greatly expanded to include something they call âweird life.â
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Blog: The Department of Homeland Security wants to hear the thoughts of science fiction authors about terrorist attacks and responses.
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QUESTION: Good morning. Sir, does it bother you that there's a perception out there that your administration has been one that favors big business and wealthy individuals? And what can you do to overcome that, sir?
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An asteroid named after a Celtic god of war will this week make its closest journey past Earth for 651 years. The space rock known as Toutatis will come within 960,000 miles (about 1.5 million km) of Earth on Wednesday.
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WHY AREN'T THEY HERE? by Surendra Verma (Icon, Pounds 12.99) ... WHAT'S IT ALL ABOUT? OUR quest to find life beyond Earth and to answer a really awkward question: if there are clever aliens out there in space, then how come we haven't seen them? ... NOT SOMETHING ANYONE CAN ANSWER, SURELY? RIGHT.
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The Space Sciences Laboratory at the University of California, Berkeley, has signed up more than 1 million volunteers worldwide in a search for extraterrestrial intelligence. They've found no aliens yet, but they have at least turned up one missing laptop.