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 →
If this is the only planet on which not only life, but intelligent life, has arisen, that would be very unusual.
One of the jovian moons, Europa, is coated with twice as much liquid water as is sloshing around our planet.
We can never prove that we're alone in the universe. But the Allen Telescope Array could prove that we're not.
When I was a kid, which was just after Edison invented moving pictures, there were films that involved aliens coming to Earth for bad purposes.
The strongest signals leaking off our planet are radar transmissions, not television or radio. The most powerful radars, such as the one mounted on... →
A century ago, scientists believed there was only one obvious stomping ground for alien biology in our solar system: Mars. Because it was reminiscent... →
A factory that can turn carbon nanotubes into a sheet a yard wide and long enough to stretch one-fourth of the way to the moon is not something... →
America's popular heroes have seldom been its great thinkers, and even less its scientists. The success of TV's 'Big Bang Theory,'... →
Any society that could come here could pick up the lights from New York. What should we do about that? Should we darken New York from now until the... →
Consider that the overwhelming majority of those 40,000 near-Earth asteroids are small enough to fit on the parking lot at the mall. And while these... →
Engineers are now experimenting with 4,096-line TV systems, suggesting that with the next generation of sets you'll be able to count the grass... →
Explorers tend to be the aggressive types - why else would they risk scurvy, mutiny and other bad things to go out there? So, you could say that any... →
Give consideration to the fact that alien astronomers could have scrutinized Earth for more than 4 billion years without detecting any radio signals... →