Astronomers weekly announce the discovery of new exoplanets, some similar in size or temperature to our planet –- but Earth-like worlds are not always far away.

Though Saturn's largest moon, Titan, is a small, cold world orbiting on the outskirts of the solar system, it actually boasts many familiar features.

“Titan is fascinating because it has some surprising properties so similar to Earth,” said planetary scientist Oded Aharonson from the California Institute of Technology. “It has a liquid which erodes channels, an atmosphere, a hydrologic cycle, and many other parallels.”

Chief among...

Single-page, application-style websites offer web developers a way to replicate the user experience of native apps, particularly on mobile devices. Indeed, the application design model — that is, a single webpage that never needs to refresh or reload — is the basis for some of the web’s most popular sites like Facebook and Twitter.

But such app-based sites often break fundamental tenets of the web, eschewing HTML source for JavaScript, breaking the browser’s back button and removing the ability to link deep into the application. Some of these problems are addressed by standards like the HTML5...