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 →
Studying Sol's interior by looking for analogous patterns on its incandescent face is known as helioseismology, an active - if largely... →
Thanks to the fact that the Earth isn't a perfect sphere, and invoking a bunch of Newtonian physics, you can deduce that our planet wobbles, too... →
The idea of close encounters of the zero'th kind - which is to say, not a close encounter at all, but simply uncovering evidence that... →
The ideas of science germinate in a matrix of established knowledge gained by experiment; they are not lonesome thoughts, born in a rarified realm... →
The majority of my UFO diet consists of reports describing suspected encounters. This is not surprising, as there are thousands of sightings... →
The math is dead simple: it seems that the frequency of planets able to support life is roughly one percent. In other words, a billion or more such... →
The most attractive habitats for synthetic sentience might be the vicinities of exceptional sources of energy - for example black holes, or even the... →
The planets and moons of our solar system are blatantly visible because they reflect sunlight. Without the nearby Sun, these planets would be cryptic... →
The principal reason for the universe's poker face is that its constituents are far away. Stars careen through space, and galaxies spin at speeds... →
The space elevator's not just another competitive technology, promoted by people who simply like the idea of diminishing the luster of the... →
The total funding of SETI (the Search for Extraterrestrial Intelligence) in the U.S. is 0.0003 percent of the tax monies spent on health and human... →
The usual metric for whether a planet is habitable or not is to ascertain whether liquid water could exist on its surface. Most worlds will either be... →
There will be an end point to how good TV pictures can get. The boob tube has hugely benefited from the rapid advance of digital electronics.... →
Seth Shostak (born July 20, 1943) is an American astronomer, currently Senior Astronomer and Director, Center for SETI research.