Earth & Space

Dog Fossils: What They Reveal About Ancient Dogs

Venus’s Hostile Environment and Unique Characteristics

The 2020 Australia Wildfire: Causes, Scale, and Impact

Flower Fossils: What They Reveal About Earth’s Past

The Shrimp Fossil: How They Form and What They Reveal

The Martian Surface: Its Features, Composition, and Geology

Deep Sea Vents: What They Are & Why They Matter

Why Is Earth Habitable? A Scientific Explanation

Mainland Southeast Asia: Its Countries, Culture, & Nature

Why Is Rainforest Soil So Surprisingly Poor?

The Zechstein Sea: An Ancient Source of Precious Minerals

What Caused the Devonian Extinction?

Okhotsk: A Frozen Sea of Abundant Life and Ecological Importance

Fossil Identification: How to Identify Your Finds

The Antarctic Habitat: A World of Ice and Life

Ocean Depths: What Lies Beneath the Surface?

The Messinian Salinity Crisis: When the Mediterranean Dried Up

Coal Swamps: How Ancient Forests Became a Solid Fuel

What Is Ambient Humidity and How Does It Affect You?

Signs of Life on Mars: The Ongoing Scientific Search