The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played football, officials familiar with the investigation told NBC News.

A hot blob currently beneath the Appalachians may have peeled off from Greenland around 80 million years ago and moved to ...

The four victims who were killed by a gunman inside a Midtown Manhattan office building ​on Monday night have been identified.

Prime Video's fourth season of 'Thursday Night Football' is packed with divisional matchups and features two holiday showdowns.