Author: Doyle Rice, USA TODAY

Over 21% of reptile species are threatened with extinction worldwide, according to a new global assessment of more than 10,000 species.

The nation’s air remains at unhealthy levels for millions of Americans, in part because of climate-change-driven wildfires, a new report says.

The Lyrid meteor shower will be coming to a night sky near you over the next few days, with the peak expected on the night of April 21-22.

The full pink moon will rise in the eastern sky on Saturday night. Here’s how to watch and what you should know.

For the second year in a row, scientists report a record increase in the level of methane in Earth’s atmosphere. Carbon dioxide levels also surged.

Another round of severe storms battered the South on Tuesday, with hail and howling winds wreaking havoc across the region.

Severe storms and tornadoes blasted across the South, killing at least two people in the Florida Panhandle. The storms are now headed toward the East.

Another multi-day severe weather outbreak is on tap for the central, southern and eastern U.S. regions this week. See who is at risk.

Dangerous storms are in the forecast for portions of the southern U.S. this week as tornadoes slammed parts of Texas and Oklahoma on Monday.