Seth Shostak (born July 20, 1943) is an American astronomer, currently Senior Astronomer and Director, Center for SETI research. Read full biography of Seth Shostak →
Given the tendency of many to picture God's realm as somewhere high above Earth - an idea that sounds suspiciously like the Greek stories of... →
Heads are a good deal, and I think they would be a common feature. It's hard to think of species that don't have heads, although there are... →
Here's a news flash: scientists can be wrong. That's no big deal (unless the scientist is you), since research is self-correcting.... →
Hollywood usually guesses that extraterrestrials would only be interested in one of three things: (1) They want to breed with us, because their own... →
I studied Latin in high school, and I was reading stuff from Cicero. And that signal took a few thousand years to get to me. But I was still... →
I think a lot of kids are interested in two science subjects: dinosaurs and aliens. The reason is almost genetic; we're hard-wired to be... →
I you look at the drawings of aliens made by people who believe that Earth is under saucer attack, you'll quickly note that most of these... →
In general, when moviemakers talk to scientists, they usually see them as a resource to solve particular technical problems or script problems for... →
In the 19th century, if you had a basement lab, you could make major scientific discoveries in your own home. Right? Because there was all this... →
In the four years since its launch, Kepler has chalked up 122 new and confirmed planets. It's also caught the scent of nearly three thousand... →
It's easy to reckon that the oomph to hurl even a Smart Car-size spacecraft to another star at, say, 20 percent the speed of light (and land it... →
It's hardly a secret that I'm skeptical of declarations that the aliens are out and about on our planet. Still, I try to answer every one of... →
It's the default premise in science: If you observe something in nature only once, you assume that what you've seen is typical. That's... →