Weather

A record drought, combined with a strong El Niño, is wreaking havoc on the Amazon. If steps aren't taken to curb illegal mining and deforestation, the ecosystem could collapse.

Thanks to El Niño, meteorologists are predict a snowy winter in the Rockies, storms and wet weather in the South and drier conditions in the Northwest and Uppder Midwest.

Satellite data shows that this year's ozone hole grew to around twice the size of Antarctica. Researchers say the eruption of Tonga's underwater volcano early last year may be partially to blame for the enormous cavity.

El Niño is a climate cycle in which waters off the tropical eastern Pacific are warmer than usual, which in turn affects global weather patterns.

Forecasters are keeping an eye on Tropical Storm Lee, which they predict could soon become a full-blown hurricane in the Atlantic Ocean.

An astronomer in Slovakia captured the rare luminous phenomenon as it briefly flashed in Earth's upper atmosphere during a thunderstorm.

El Niño is set to collide with a megadrought in the Southwest. Will the pattern of wet, warmer weather in the Pacific help end the drought?

Gigantic jets, which are 50 times more powerful than typical lightning bolts and can reach the edge of space, were seen erupting out of Hurricane Franklin near Puerto Rico.

The storm intensified overnight and made landfall near Keaton Beach, Florida, on the morning of Aug. 30, supporting predictions that soaring sea temperatures would boost storms and hurricanes this year.

The Landsat 8 satellite captured the deadly flames that burned through the town of Lahaina in Hawaii and killed at least 99 people.