Katy Perry’s 2011 song "Last Friday Night (T.G.I.F)" from her third studio album, Teenage Dream, has debuted on US Spotify.

Katy Perry surprised the audience at her Los Angeles concert by bringing Rebecca Black on the stage for a special performance of Last Friday Night (T.G.I.F.).

Double murderer Brad Sigmon, 67, became the first in the US to die by the unusual method in 15 years at 6 p.m.

Pictures of last night's "Blood Worm Moon," a total lunar eclipse, show the full moon looking red in the night sky.

A National Weather Service meteorologist warns St. Louis of severe storms on Friday, likening them to past destructive tornadoes.