The most attractive habitats for synthetic sentience might be the vicinities of exceptional sources of energy - for example black holes, or… — Seth Shostak Copy Share Image
'Eternal inflation,' as it's called - the endless generation of new universes - may be a hyper-cosmic imperative. It seems that it… — 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
The bottom line is that the position of the Sun relative to the stars slowly changes for any given date, and over… — Seth Shostak Copy Share Image
Despite the impression you may have from watching too much TV, movies are not about reproducing reality. They're about telling stories. — Seth Shostak Copy Share Image
Given the tendency of many to picture God's realm as somewhere high above Earth - an idea that sounds suspiciously like the… — Seth Shostak Copy Share Image
While it may be disappointing, I have to confess to people who ask for my insights on the meaning of it all… — Seth Shostak Copy Share Image
The overwhelming bulk of the cosmos is deathly quiet. But here and there - on worlds where matter is thick and conditions… — Seth Shostak Copy Share Image
Television is ephemeral, a fact that some will find reassuring. But earthlings will continue to pump the kilowatts into the ether. And… — Seth Shostak Copy Share Image
Many people suggest using mathematics to talk to the aliens, and Dutch computer scientist Alexander Ollongren has developed an entire language (Lincos)… — Seth Shostak Copy Share Image
You may not see massive UFO exhibits at your local science museum, but there's no dearth of saucer stories infesting my email.… — Seth Shostak 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 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 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