Experts confirm longest-ever lightning flash: Here's where

The massive lightning flash was captured several years ago, covering a record-setting distance to earn the distinction as the world’s longest.

Earthquake in New Jersey: 3.0 magnitude

The United States Geological Survey said an earthquake hit New Jersey late Saturday night. Here’s what we know.

Chicago has the worst air quality in the world right now, index says

Wildfire smoke has pushed Chicago's air quality into the "unhealthy" zone. It's so bad, in fact, that we're the most polluted city in the world right now. Here's what you should know.

Massive earthquake triggers global tsunami warnings
video

One of the strongest earthquakes ever recorded struck miles off the Russian coast, triggering tsunami warnings and evacuations across the Pacific.

Tsunami waves hit U.S. West Coast after powerful Russia earthquake
video

A massive earthquake off Russia?s Pacific coast has triggered tsunami waves across Hawaii, Alaska, Oregon, Washington State, and California.

North Carolina gamer shocked by lightning while livestreaming

The chances of being struck by lightning in any given year is 1 in 1.43 million, according to the National Lightning Safety Council.

39 Illinois rescuers return home after assisting in Texas deadly flooding

An Illinois Urban Search and Rescue team went to Texas last weekend to assist after the deadly flooding earlier this month. The firefighters said this mission has been physically and mentally challenging.

MAP: Power outages in the Chicago area due to severe storms

A dangerous round of severe weather took aim at the Chicago area on Thursday, with storms capable of producing 70+ mph wind gusts, pea-size hail or larger, and torrential rainfall.

'Heat dome' blankets US, bringing dangerous triple-digit temps
video

A powerful heat dome is driving extreme temperatures across much of the U.S., with climate experts warning of rising risks tied to greenhouse gas emissions.

Chicago heat wave expected to bring triple digit temps
video

A dangerous heat wave is expected to bring triple digit temperatures to the Chicago area. An extreme heat watch will go into effect on Wednesday.

Chicago braces for dangerous midweek heatwave
video

Extreme heat and humidity is expected in Chicago this week with temps climbing into the mid-90s.

Texas flood tragedy: 132 dead, over 100 still missing
video

Nearly two weeks after deadly floods devastated Texas, search teams continue efforts along the Guadalupe River as the community mourns the 132 lives lost.