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 hour. It's... →
Seth Shostak
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... →
You may not see massive UFO exhibits at your local science museum, but there's no dearth of saucer stories infesting my email. Every day, I... →
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.
A century ago, scientists believed there was only one obvious stomping ground for alien biology in our solar system: Mars. Because it was reminiscent... →
Give consideration to the fact that alien astronomers could have scrutinized Earth for more than 4 billion years without detecting any radio signals... →
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 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... →
What's a space elevator? Simply described, it's a thin ribbon, about 3 feet wide and 60 thousand miles long, stretching upwards from the... →
The plumbing and pluvial dynamics of the Amazon, the largest freshwater system on Earth, are still far from understood. This is partly because it is... →
Alex Shoumatoff