An arctic blast has sent cold air across the United States, causing trees to break suddenly in what looks like an explosion.

Social media posts warned of "exploding trees" when temperatures drop to 20 degrees below zero.

For the first time, astronomers have captured radio signals from a rare exploding star, exposing what happened in the years ...

The newly launched X Games League announced its first four city franchises, on three continents, and a name sponsor as it wrapped up its last stand-alone event.