He was one of the most influential science fiction writers of the 20th century, but few people consider him a thinker. That would be a mistake.

In its final recommendations against routine use of a prostate cancer screening blood test, a government task force offered the most detailed breakdown to date of the potential risks and benefits of P.S.A. testing.

Facing opposition to a new studio in Lucas Valley, George Lucas said he would bring low-income housing there instead, inflaming wealthy neighbors in Marin County.

Facebook's stock was down more than 10 percent on Monday morning, to around $34 a share.

Huge repositories of data collected by Internet companies are not accessible to scientists, leading some to complain that studies based on these data can’t be peer-reviewed.

In the world of social networks, Facebook and Twitter can be compared to the old children's story "The Tortoise and the Hare." But this race is not judged by speed but by the long-term relationship with users and their privacy.

Research shows that more than half of office workers are dissatisfied with the level of “speech privacy” in their offices, and managers are hearing their complaints.

As it has grown increasingly difficult to find a steady full-time job with benefits, more men are reaching for a chance at the American dream in female-dominated occupations.

Micah True became a mythic figure after being featured in the best-selling book “Born to Run.” Then, on March 27, he went for a run in the Gila Wilderness.

The Atavist, which helps produce multimedia storytelling for digital devices, has a content management system that has turned into a business opportunity.