This edition of the northern lights is brought to you by a pair of coronal mass ejections that erupted on New Year's Day.

Aurora has found elevated levels of lead in drinking water at some homes following recent testing, city officials announced ...

The remarkable natural light show is the result of electrons colliding with atoms in the upper reaches of Earth’s atmosphere.

A Regional Transportation District A Line train struck a pickup truck at the Sable crossing in Aurora on Tuesday, according ...

A routine round of tap water testing in Aurora has turned into a wake-up call for some homeowners, with city officials ...

The police chief in Aurora, Colorado, warned that the city council’s vote to restrict cooperation with Immigration and Customs Enforcement (ICE) “will leave the community more vulnerable to crime and ...