Consider: Life arose on Earth close to four billion years ago. Four billion years of slithering, swimming, and soaring life forms. But… — Seth Shostak Able Copy Share Image
If aliens are really hanging out in our 'hood, it's hard to imagine any other fact more worthy of study. If not,… — Seth Shostak Alien Copy Share Image
America's popular heroes have seldom been its great thinkers, and even less its scientists. The success of TV's 'Big Bang Theory,' which… — Seth Shostak America Copy Share Image
The usual metric for whether a planet is habitable or not is to ascertain whether liquid water could exist on its surface.… — Seth Shostak Ascertain Copy Share Image
The idea of close encounters of the zero'th kind - which is to say, not a close encounter at all, but simply… — Seth Shostak Back Copy Share Image
Admittedly, it would take industrial-grade chutzpah and a massive dose of malevolence for anyone to bulldoze the spot where Neil Armstrong stepped… — Seth Shostak Admittedly Copy Share Image
The longtime standard for American TV was 525 lines from top to bottom of the image. As a practical matter, that was… — Seth Shostak American Copy Share Image
Typically, only about 2 percent of the American populace tunes in to PBS's 'Nova' series - the most successful science show on… — Seth Shostak About Copy Share Image
While human space travel is daunting, machines - with their indefinitely long lifetimes - could travel the galaxy. It might make little… — Seth Shostak Computers Copy Share Image
It bears mentioning that the Milky Way is only one of 150 billion galaxies visible to our telescopes - and each of… — Seth Shostak Bears Copy Share Image
Consider: The human genome consists of about 3.3 billion base pairs. Since there are only four types of pair, that amounts to… — Seth Shostak About Copy Share Image
Any beings advanced enough to traverse interstellar distances are at least a thousand years beyond our technical level. Spending gobs of time… — Seth Shostak Advanced Copy Share Image
Lamentably, alien audiences may be frustrated by the switch to digital television. That's because the transmitter power for DTV is fairly evenly… — Seth Shostak Across Copy Share Image
I still remember my dismay in the summer of 2007 when - for the first time in the history of planet Earth… — Seth Shostak America Copy Share Image
