Give consideration to the fact that alien astronomers could have scrutinized Earth for more than 4 billion years without detecting any radio… — Seth Shostak Copy Share Image
Ever since the Second World War, television signals (as well as FM radio and radar) have served as Homo sapiens' emissaries into… — Seth Shostak Copy Share Image
The era during which only governments could put hardware on the Moon is coming to an end. There are 26 private teams… — Seth Shostak Copy Share Image
Charles Darwin sailed around the world for two years on the 'Beagle,' and he had quite a bit of interest in things… — Seth Shostak Copy Share Image
The total number of people that do a job that has the same description as mine in the entire world is fewer… — Seth Shostak Copy Share Image
There is a point of view among astronomical researchers that is generally referred to as the Principle of Mediocrity. ... If the… — Seth Shostak Copy Share Image
Planets that don't currently sport plate tectonics, such as Venus and Mars, are scarcely habitable. Tectonics might be a requirement of any… — Seth Shostak Copy Share Image
We haven't yet found a speck of evidence for biology on another world, so we have no objective way to judge whether… — Seth Shostak Copy Share Image
The number of habitable worlds in our galaxy is certainly in the tens of billions, minimum, and we haven't even talked about… — Seth Shostak Copy Share Image
The mission of NASA's Kepler telescope is to lift the scales from our eyes and reveal to us just how typical our… — Seth Shostak Copy Share Image
Jupiter, a world far larger than Earth, is so warm that it currently radiates more internal heat than it receives from the… — Seth Shostak Copy Share Image
It's hard to imagine anything more interesting than learning how we're woven into the enormous tapestry of existence. Where did our universe… — Seth Shostak Copy Share Image
Studying Sol's interior by looking for analogous patterns on its incandescent face is known as helioseismology, an active - if largely unpronounceable - research… — Seth Shostak Copy Share Image
Some pundits have proposed that the aliens have come here to breed with us. Apparently, too much bike riding or something similar has rendered… — Seth Shostak Copy Share Image
As far as I can tell, the only unambiguous consequence of the claimed invasion of Earth by beings from another star system has been… — Seth Shostak Copy Share Image
Look, science is hard, it has a reputation of being hard, and the facts are, it is hard, and that's the result of 400… — Seth Shostak Copy Share Image
Give consideration to the fact that alien astronomers could have scrutinized Earth for more than 4 billion years without detecting any radio signals, despite… — Seth Shostak Copy Share Image
In a movie, it's often important to have aliens whose gestures and facial expressions can be 'read' by humans. And in the days before… — Seth Shostak Copy Share Image
Sure, nobody will make a fortune if we figure out why the Big Bang happened. But just about everyone would like to know. — Seth Shostak Copy Share Image
If you could drive straight down, into a tunnel bored through the crust of the planet, you'd hit this molten mess in about an… — Seth Shostak Copy Share Image
While I have always thought that the motivation for looking for E.T. was both self-evident and patently worthy, it's possible that I'm a victim… — Seth Shostak Copy Share Image
I studied Latin in high school, and I was reading stuff from Cicero. And that signal took a few thousand years to get to… — Seth Shostak Copy Share Image
About the only things that are unique to Earth are our biota and our culture. If aliens ever come here, they'd most likely be… — Seth Shostak Copy Share Image
This plucky NASA telescope is able to find planets en masse. If you compare planet hunting to prospecting for gold, then Kepler is equivalent… — Seth Shostak Copy Share Image
