SciTech

National organizations are demanding that Craigslist remove its adult services section from its websites outside the U.S. after the company stopped posting the section on its U.S. site.

For a dozen years, Google Inc. has been occasionally swapping its everyday logo for a "doodle," a sketch celebrating holidays, inventions, artists and sporting events, and showcasing designs from contest-winning students.

It's Apple versus Google in a growing battle for the living room -- and consumers could reap all the benefits. 

Dissent and infighting may be the new order of business at WikiLeaks, as a rape investigation into the whistle-blowing website's outspoken frontman Julian Assange threatens to tear the site apart.

As they head off to school, a growing number of students are being carefully tracked -- not only their classroom grades, but also their precise locations. 

The U.K.'s Royal Mail has released the world’s first intelligent stamps. Adding a high-tech twist to traditional snail mail, the new stamps are designed to interact with smartphones using a custom application, linking them to special online content. 

Today, it's a sprawl of luxury vacation homes where Egypt's wealthy play on the white beaches of the Mediterranean coast. But 2,000 years ago, this was a thriving Greco-Roman port city, boasting villas of merchants grown rich on the wheat and olive trade.

An Indonesian volcano shot a towering cloud of black ash high into the air Tuesday, dusting villages 15 miles away in its most powerful eruption since awakening last week from four centuries of dormancy.

A galactic "supervolcano" in the massive galaxy M87 is erupting, blasting gas outwards. The cosmic volcano — driven by a giant black hole in M87's center — is preventing hundreds of millions of new stars from forming. 

Alien life may already exist on Earth -- us.