When David Hanson set out to build a robotic head, he saw no reason not to make it look just like a human. Then he stumbled into the Uncanny Valley.
Our editors scrounged up some truly bizarre facts.
Microsoft unveils Sun Microsystems' vision for 2004
FDA wants to make this official and recently asked to know more
Astronomy: Timothy Ferris eyes the amateur asteroid-watchers.
In a wide-ranging interview with PopularScience.com, Aldrin talks about a mission to Mars, 34 years of sobriety and the future of American leadership in space.
A state-by-state breakdown of policies that could change your community.
To reach the bottom of all five oceans, this Texas businessman commissioned “the most significant vehicle since Apollo 11.”
Science of the Union.
It might not (just) be foul play.
In a highlight of last week's conference, Gates calls for zero emissions and agrees with Obama: We need nukes
Both the Atlantic and Pacific areas saw a record number and intensity of storms.
A commute so quick you could just die.
We're not built for this stuff.
How to build a subway in the Eternal City.
I study the motion of the ocean through rocks.
They may be slow, but they cover entire football fields if left to their own devices.
Time is subjective.
Playing with time.
But you'd be forgiven for thinking otherwise.
Solving the mysteries of the universe