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 

Babies learning speech figure out what an object is by listening to others talk about what that object does. Christie Nicholson 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

Recent and easily retrievable information can overwrite the details of memories, thus altering them in your mind. Christie Nicholson 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

People who played instruments as children responded a bit quicker to complex speech sounds as adults, even if they had not played an instrument in many years. Erika Beras reports

The Hubble Telescope's new set of Frontier Fields images includes a galaxy some 13-billion light-years away, which makes it a candidate for the most distant object ever seen. Clara Moskowitz reports

Galileo—who, among many accomplishments, was first to use a telescope to discover moons around Jupiter—was born 450 years ago this week. Clara Moskowitz reports 

Psychologists found that encouraging newlywed couples to watch romance flicks, and then discuss them cut the three-year divorce rate in half. Christie Nicholson reports

Exoplanet Kepler 413 b's tilt can vary by as much as 30 degrees over 11 years, leading to extremely erratic seasons. Clara Moskowitz reports