Oct 19, 2023 · Rainbows are often portrayed as bridges between people and supernatural beings. In Norse mythology, for instance, a rainbow called the Bifrost connects Earth with Asgard, …

Jan 8, 2024 · A basin is a depression, or dip, in the Earth’s surface.

Dec 4, 2025 · Geography is the study of places and the relationships between people and their environments.

Oct 19, 2023 · The water cycle describes how water is exchanged (cycled) through Earth's land, ocean, and atmosphere.

Oct 19, 2023 · Electromagnetic light energy is everywhere, but very little of it can actually be seen by the human eye.

Nov 21, 2024 · Learn the risks our world's coral reefs are facing and what they mean for our future and the future of the ocean.

Dec 9, 2024 · A region is an area of land that has common features. A region can be defined by natural or artificial features.

May 1, 2024 · Yellowstone National Park is the first national park created in the United States. It remains popular due to its unique volcanic features and abundant wildlife.

Oct 19, 2023 · Rainforests play an invaluable role in sustaining life, but every year, large portions of them are cut down for logging, mining, and cattle ranches.

Jan 4, 2024 · A moraine is material left behind by a moving glacier. This material is usually soil and rock.