On the eve of one of their biggest busts yet, PM contributing editors Jamie Hyneman and Adam Savage explain how they made their own fake photos, built a moon set in an hour—and even went weightless themselves.

Two rival New England inventors have been launching a new breed of airship over New England's Connecticut River Valley. But will recreational hot-air blimps go mainstream, or are they just a pleasant diversion for a summer morning? (Published in the September 2008 issue)

Despite today’s findings of toxic perchlorate in Martian soil, NASA is not ready to write off life on Mars; leading space scientists point to earthbound extremeophiles that process the substance.

With the confirmation of water (and perhaps some super microbes) on Mars, PM's resident geek offers analysis on two diverging worlds—scientific research for alien life and open-source fanaticism for alien intelligence.

In a discovery that could qualify as one of the most important in the history of space, NASA’s Phoenix mission has confirmed the presence of water ice on the planet.