Florida governor, in wake of Parkland shooting, signs bill to allow more classroom teachers to carry guns in school

A Pennsylvania school principal will no longer say "God bless America" after leading students in the Pledge of Allegiance

Sheriff: Two handguns used in Colorado school shooting, one suspect is a juvenile girl

School shooting in Colorado kills one, wounds eight students, before deputies arrest two suspects

A suburban Denver school where two gunmen opened fire, killing a teenager and wounding eight others, will be closed for the remainder of the week

Nuggets coach Michael Malone coaching Game 5 against Portland with a heavy heart

Sheriff says 18-year-old male student was killed in shooting at suburban Denver school

Students and staff members at Jewish day schools near the Pittsburgh synagogue that was the site of October's mass shooting are asking state lawmakers for help paying for security measures

Sheriff: 8 students injured in suburban Denver school shooting, several are in critical condition; 2 suspects in custody

The number of measles cases in New York City has reached 466 since the outbreak began in October