Essayli asked the EPA to investigate an alarming cluster of rare pediatric cancer cases and determine possible environmental causes.

Three firefighters have died trying to contain wildfires that are raging along the border of Colorado and Utah.

The U.S. Environmental Protection Agency is reviewing a proposal to release 16 million mosquitos in each of two consecutive years.

A 7.8 magnitude earthquake in the Philippines triggered a landslide and collapsed buildings Monday morning, leaving at least 32 dead.

An 8-year-old and his family had to fight off a vicious beaver while enjoying a day of fishing and nature earlier this month.

A party was in full swing at an Oklahoma campground until gunfire broke out, leaving at least 13 people shot.

"Usually when we come to a neighborhood that’s been hit this bad, there’s one or two deaths," the governor said.

"This is why we keep exploring -- to unlock the secrets of the deep and better understand how the ocean and its resources can drive..."

After numerous (and expensive) attempts to quell their non-native hippo population, Colombia is opting for the simplest solution.

"The second angel poured out his bowl on the sea, and it turned into blood like that of a dead person," the Bible said.