Time to treat Facebook like big tobacco

Government should scrutinize and publicize the harms of social media — not use antitrust regulation to encourage even more platforms.

How U.S. cyberweapons aren't like missiles

In standard warfare, the trick is hitting the right target. In cyberspace, most of the battle is figuring out who the enemy is and what to deter.

If flying cars become popular, they are likely to ease urban traffic problems by expanding the areas where people are able to live and work.

Better education is needed on the difference between science and politicized pseudoscience.

Technology companies have databases that document people's ethnicity, religion and other personal information on a massive scale.

Donald Trump's quip about using couriers instead of email may not be such a bad idea.

Conditions for colonists on Mars will be far tougher than any faced by their counterparts in the Age of Exploration.