A new kind of search engine could make the act of Web searching more sociable.
Tiny robots can operate on single cells and assemble microelectronics -- and could lead to cheap nanoscale manufacturing.
GE says its new machine could make the hydrogen economy affordable, by slashing the cost of water-splitting technology.
Computer crime is changing as the Internet becomes a vital component of everyday life. So how do cyber cops keep up with it?
Amazon wants to employ people to do menial Web tasks that computers can't handle.
Drugs that boost the protein clumping that occurs during neurodegenerative disease could provide a new route to treatment.
A new method of patterning nanotubes could lead to flexible, flat-screen displays with many of the advantages of bulky CRTs.
AOL has announced plans to charge for sending some e-mail, in hopes of curtailing spam. But skeptics aren't buying it.
Europeans are rethinking the merits of nuclear energy and whether to build new plants, says energy executive Lars Josefsson.
An open-source identity management system could change the way we share personal information over the Internet.