Baseball's expanded review system excludes ball and strike calls, which a study finds to be biased in favor of star players, especially late in games. Larry Greenemeier reports

The era of antisocial networking has begun with the development of apps such as Cloak, which identifies locations of your contacts so you don't have to see them. Larry Greenemeier reports

The asteroidlike object Chariklo orbits between Saturn and Uranus and has been found to have its own set of rings. Clara Moskowitz reports  

Researchers are developing adapters that let smartphones take high-quality images of the eye that could be used to remotely screen patients for eye conditions or disease. Larry Greenemeier reports

A consortium including Facebook and Qualcomm wants to launch solar-powered atmospheric satellite drones that can carry equipment for relaying wireless networks in remote areas that currently have no Internet connections. Larry Greenemeier reports

An exhaustive search by NASA's Wide-Field Infrared Survey Explorer has found no hints of a theorized planet or dwarf star in our neck of the cosmic woods. Clara Moskowitz reports 

The half-the-speed-of-light spin of a giant black hole suggests it grew by digesting another black hole in a galaxy merger. Clara Moskowitz reports

Competitions like the Firearms Challenge could give guns that use radio-frequency tags, biometrics and other tech a push into the mainstream. Larry Greenemeier reports

Spanish astronomers spotted a meteoroid impact at 61,000 kilometers per hour using a telescope network that automatically scans the moon. Clara Moskowitz reports

California wants to be the first state to mandate antitheft features on mobile devices, but carriers fear lost insurance revenue. Larry Greenemeier reports