This week’s The Walking Dead: Daryl Dixon gave us a heartbreaking twist in Roberto and Justina’s love story — and a whole new reason to be scared of walkers. As Sunday’s episode opens, Roberto is ...

On February 15, 2013, the Sun had barely begun to rise over southeastern Russia when a brilliant ball of light illuminated the sky. A 10,000-ton meteor hurtling at 43,000 miles per hour shot across ...