A startup aimed at tracking live events on the Web unveils its product.
Facebook promises to respond to user criticism, but it remains to be seen how far the company will go.
An ultra-private search engine hopes to attract users tired of handing over personal information.
Project Icarus is an ambitious plan to reassess our ability to send a spacecraft to another star. But is it any more than science fiction?
Bartz defends her company's direction in a combative interview.
The famous venture capitalist, John Doerr, outlines his vision of the next wave of change on the Internet.
Astrophysicists need to choose between dark matter or modified gravity to explain the universe. But a strange new duality may mean they can have both.
Want to turn the mundane details of your day into a moving episode of This American Life? There's an app for that.
Stanford researchers use a novel approach to link pesticides and an ingredient in vitamin E to diabetes.
The best of the rest from the Physics arXiv this week: