jz.alter4u
Technology
The Search For Extraterrestrial Life: A Brief History
By Abby Seiff Posted on 6.17.2008 22 CommentsFor as long as humans have looked to the night sky to divine meaning and a place in the universe, we have let our minds wander to thoughts of distant worlds populated by beings unlike ourselves. The ancient Greeks were the first Western thinkers to consider formally the possibility of an infinite universe housing an infinite number of civilizations.
Download Our iPhone App
Stay up to date on the latest news of the future of science and technology from your iPhone with full articles, images and offline viewing
Follow Us On Twitter
Featuring every article from the magazine and website, plus links from around the Web. Also see our PopSci DIY feed
Become a Fan On Facebook
Share links with friends, comment on stories and more
December 2009: Best of What's New
In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.
Check out the best of what's new here.
Popular Science Photo Pool
Popular on Popsci
Most Viewed
- IBM's Blue Gene Supercomputer Models a Cat's Entire Brain
- Intel Wants Brain Implants in Its Customers' Heads by 2020
- Mesmerizing, Isn't It?
- Batteryless Remote Control Pulls Power from Your Button Presses
- New Reactor Uses Sunlight to Turn Water and Carbon Dioxide Into Fuel
- High-Pressure Diamond Anvil Creates a New Solid from Xenon and Hydrogen
- The Dubai Airshow As Seen From Orbit
- So Do Prosthetic Limbs Give Sprinters an Advantage Or Not?
- At the International Robot Exhibition in Japan, Robots For Your Every Need
- Boeing's Latest Mobile Laser Weapon Tracks and Shoots Down Drone
Most Commented
- This Week in the Future, November 16-20, 2009
- This Week in the Future, November 23-26, 2009: Thanksgiving Special
- Intel Wants Brain Implants in Its Customers' Heads by 2020
- IBM's Blue Gene Supercomputer Models a Cat's Entire Brain
- New Reactor Uses Sunlight to Turn Water and Carbon Dioxide Into Fuel
- CERN Successfully Brings Large Hadron Collider Back Online
- Sighted: A Secret US Aircraft in Afghanistan
- Smart Armor Knows Its Own Strength, As Well As The Enemy's
- NASA Robotic Rocket Plane To Survey Martian Surface
- Rat Brain Modelers Denounce IBM's Cat Brain Simulation as "Shameful and Unethical" Hoax
Most Emailed
- New Reactor Uses Sunlight to Turn Water and Carbon Dioxide Into Fuel
- Sighted: A Secret US Aircraft in Afghanistan
- Astronauts Want a Next-Gen Ride 10 Times Safer Than the Shuttle
- Dutch Scientists Grow First Pork Meat In Lab
- Something in the Water Is Feminizing Male Fish. Are We Next?
- Tech Buyer's Guide: Netbooks
- A.I. Anchors Replace Human Reporters In Newsroom of the Future
- New York State Wants to Put Emergency Alerts in Your Online Games
- World's First Osmotic Power Plant Goes Live in Norway
- High-Pressure Diamond Anvil Creates a New Solid from Xenon and Hydrogen
Today on PopSci.com
Copyright © 2009 Popular Science
A Bonnier Corporation Company. All rights reserved. Reproduction in whole or in part without permission is prohibited.
