Micron CEO Killed in Plane Crash
Steve Appleton, the CEO of the semoconductor maker Micron Technology, Inc., was killed in a small plane crash at the airport in Boise, Idaho today. He was 51.

Are Apple, Google and Facebook Natural Monopolies? (ContributorNetwork)
ContributorNetwork - COMMENTARY | They may not be the power company, but you won't find too many threats to their dominance. All three are not only at the top of their game, they have few, if any, competitors. And the law helps keep newbies out of the market.

Watch: SOPA Backlash Causes Web Blackouts
Google and other sites protest anti-piracy laws with new look.

Photos: Best Picture Yet of Earth
A star nursery, the aurora as seen from the International Space Station in orbit, a storm on Saturn as big as Earth, a spectacular solar flare, and images of the cosmos from the Hubble Space Telescope.

First Meteor Shower of 2012 Dazzles
The Quadrantid meteor shower, the first major show of shooting stars in 2012, peaks in the hours before dawn on Wednesday. The best seeing should be after the moon sets around 3 a.m. Astronomers say you may see 60-200 shooting stars per hour if the weather is clear.

Photos: One Last Look Inside Space Shuttle
American space flight over 50 years, from the selection of the first NASA astronauts to the final flight of the space shuttle.