A fire ban took effect Wednesday at Zion National Park, where officials said only stoves and grills fueled by propane, butane, or white gas were allowed to be used in the Watchman and South campgrounds.

From the Jefferson Memorial in Washington, D.C., to Mount Rainier National Park in Washington state and beyond, the Great American Outdoors Act is making a huge difference in the protection and enjoyment of national parks and other public lands

There are going to be some "star parties" held across the National Park System in the coming weeks.

Ocean swells are constantly occurring across the Earth’s oceans. These swells interact with the ocean crust below, creating continuous ocean noise that travels all over the Earth, including through our active volcanoes here in Hawaii. Because ocean noise signals are always being generated, scientists can use these seismic sources to identify small changes occurring in the Earth’s crust over time.