Two recently found supernovae are much farther away and brighter than almost any star explosion ever seen, perhaps because they wound up as rapidly spinning magnetars. Clara Moskowitz reports

The Wide-Field Infrared Survey Explorer satellite that went into hibernation in 2011 has been brought to life as an asteroid lookout. Clara Moskowitz reports

In a study of user behavior, Facebook determined that about 70 percent of people about to post an item engage in some form of self-editing or self-censorship. Larry Greenemeier reports.

Ten-year-old Nathan Gray of Nova Scotia officially becomes the youngest person ever to identify a new supernova. Clara Moskowitz reports

The year brought numerous revelations about government surveillance on ordinary citizens. Do we care? Larry Greenemeier reports.

Just because your smartphone can bring up your position on a map does not mean that a call to 911 automatically shows responders where you are. Larry Greenemeier reports.

Don't miss viewing Comet ISON, visible in the east before dawn, with a tail now as long as the bowl of the Big Dipper. Clara Moskowitz reports

Snapchat, a time-limited message-sharing app, has allegedly turned down billion-dollar offers from Facebook and Google. Larry Greenemeier reports.

India aims to become the fourth entity to send a mission to Mars with its launch of the Mars Orbiter Mission, aka Mangalyaan. Clara Moskowitz reports.

A Harris poll finds that many Americans wondery how smartwatches and smartglasses would fit into the average person's life. Larry Greenemeier reports.