Earth Science & Climate

How Long Did Hurricane Mitch Last?

How Many Eons Are There in the Geologic Time Scale?

Where Does the Water in Rivers Come From?

How Does Soil Become Enriched During Soil Formation?

Can Planes Fly Over Bad Weather?

What Does a Pink Sky at Night Actually Mean?

Indianapolis Is Part of Which Climate Zone?

What Is Desert Varnish and How Does It Form?

Can Igneous Rock Become Sedimentary Rock?

What Is the Deepest Part of the Amazon River?

Is Mount Baker an Active Volcano? Its Eruptive History

Where Can Citrine Be Found? From Formation to Discovery

Is There Life Out There? The Search for Extraterrestrial Life

When Was the Last Time All Planets Aligned?

Is Obsidian a Precious Stone? Its True Classification

When Is It Safe to Start Your Sprinkler System?

Is There a Month With Two Full Moons?

What Does the End of the Universe Look Like?

What Is the Distance From the Sun to Uranus?

What Causes Erosion and Weathering?