A Georgia man who gave his teenage son the gun he’s accused of using to kill two students and two teachers at a high school has been convicted of second-degree murder and involuntary manslaughter.

A jury in Georgia quickly convicted a man who gave his son a gun linked to the fatal shooting of two students and two teachers.

A Georgia jury held a father criminally responsible for the actions of his teenaged son who — while armed with an AR-15-style rife that had been kept inside their home — allegedly gunned down two ...

Crystal jellyfish have an eerie beauty: thanks to a natural protein, they emit a faint green glow. For decades, researchers have used that green fluorescent protein and similar molecules to light up ...