Heat index values are expected to reach the upper 90s to around 100 degrees, increasing the risk of heat-related illnesses.

Millions of Americans had a rare chance to witness the Northern Lights last night and may get a second opportunity tonight, ...

Independence Day, which this year represents the 249th anniversary of the signing of the Declaration of Independence, will be ...

Here are all the places in the US that you can see the northern lights tonight - The colorful light display is the result of ...

Auroras may be visible from Alaska to New York as an incoming solar storm could spark geomagnetic storm conditions overnight.