A new online tool, called iBatsID, will help researchers classify and track various bat species across Europe. Looking at bats offers key information about biodiversity. "Bats are like a heart monitor for the environment," said Charlotte Walters of the Zoological Society of London. "If bat populations are declining, we know that something is wrong." NEW YORK TIMES Phew! Killer asteroids aren't in your future If you're worried about a killer asteroid wiping out Earth, NASA has some good news. The space agency said Thursday that it has identified more than 90 percent of giant, potentially Earth-threatening asteroids, including some as big as the one thought to have killed the dinosaurs. "We know now where most of them are and where most of them are going. That really has reduced our risk." Photo: Wide-field Infrared Survey Explorer, which is tracking huge asteroids
More from Star Tribune
More from Nation
Two 15-year-old girls died Friday in a shooting at a suburban Phoenix high school that initially caused panic among parents who could not reach their children but later emerged as a possible murder-suicide or double-suicide.
The mother of Columbine High School shooter Dylan Klebold says she didn't know anything was wrong with her son before the 1999 attack, and that she thinks about the victims and their families every day.
A businessman who served as U.S. transportation secretary under President Ronald Reagan during the 1981 air traffic controllers' strike has died. Drew Lewis lived on a farm in the Philadelphia suburbs and was 84 years old.
The head of one of Minnesota's two medical marijuana providers is leaving the company, just eight months after jumping to the company from his oversight role with the Minnesota Department of Health.
The latest on efforts being made amid the lead-tainted water crisis in Flint, Michigan (all times local):