Human Martians
The people who settle the Red Planet may not look like us.
Science & Technology
How Much Is an Astronaut's Life Worth?
NASA's irrational approach to risk undermines its mission and costs thousands of lives.
The Trouble with the Copyright Debate
Does every illegal download represent a lost sale?
A Twinkle of Hope
Obama has moved space policy in the right direction, but we still have a long way to go.
Science Fiction Faces Facts
NASA has fizzled, but Wernher von Braun's exuberant vision lives on.
To Boldly Go Where No Wives or Kids Can Follow
The final frontier isn't just for misfits and loners.
Where Do the Republican Candidates Stand on Science?
A roundup of the views of GOP hopefuls on contraception, evolution, Internet freedom, and more.
Skyscrapers As Spaceships
The "rampant individualism" and surprising environmentalism of really tall buildings
The Decline of Violence
Neuroscientist Steven Pinker on the triumph of peace and prosperity over death and destruction
Steve Jobs, the Inhumane Humanist
The founder of Apple may have been a narcissistic jerk, but his humanity was revealed by the liberating objects he made.
