Diminutive worlds are more likely to be rocky, and lapped by oceans and atmospheres. In the vernacular of 'Star Trek,' these would… — Seth Shostak Copy Share Image
The ideas of science germinate in a matrix of established knowledge gained by experiment; they are not lonesome thoughts, born in a… — Seth Shostak Copy Share Image
I've often fantasized about visiting the Bahamian beach where Columbus first stumbled ashore in 1492. Sadly, no one knows where that beach… — Seth Shostak Copy Share Image
In days gone by, scientists would speak solemnly about our solar system's 'habitable zone' - a theoretical region extending from Venus to… — 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
Most of the intelligence out there must be artificial intelligence. We keep looking for critters like us living on a planet like… — 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
On Mars, where the air is spare - a hundred times less dense than on Earth - someone could hear you scream.… — Seth Shostak Copy Share Image
I got interested in astronomy at the age of 8 because I was looking at an atlas of the planets in my… — Seth Shostak Copy Share Image
The bottom line is, like, one in five stars has at least one planet where life might spring up. That's a fantastically… — Seth Shostak Copy Share Image
NASA's Office of Commercial Exploration has been concerned about protecting the landing zones where humans first walked on the Moon, and one… — Seth Shostak 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 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