Featured in Technology
Saturn on the Web
The latest images of Saturn, and more
Sonic Booms and Human Ears
How much can the public tolerate?
It may not be faster or cheaper, but the spacecraft headed for Saturn aims to be better than anything we've flung across the solar system.
Supersonic business jets will use aerodynamic shaping to minimize sonic booms. Don't be alarmed by the lack of windows: Cameras will send exterior images to the cockpit and cabin.
Surfing the night sky
Freakish Speed, by the Numbers
NASA's X-43A scramjet hits Mach 7 and won't stop there.
Your Venusian Crib Sheet
On June 8, Venus will make a rare flyby of Earth. Study up.
Rutan-designed vehicle makes history with first privately funded spaceflight--but not without glitches.
Making the 7E7 Fly
Boeing's ambitious design seeks to cut airline costs, boost passenger comfort.
Hail Mary Launch?
The Pentagon fields its controversial missile shield.