Geomorphology

Australia’s Yarrabubba is the Oldest Impact Crater on Earth

Katarina Samurović

Recently published research indicates that the Yarrabubba impact structure in Australia may be the world's oldest.

This Detailed Map Shows 119 Years of Earthquakes

Caitlin Dempsey

The USGS has released a highly detailed and updated map of seismicity from 1900 to 2018.

Hoodoos at Bryce Canyon National Park. Photo: Bryce Canyon NPS, Public domain.

The World’s Highest Concentration of Hoodoos

Caitlin Dempsey

Hoodoos are tall, thin rock spires that occur all around the world.

Tallest mountain on each continent. Graph adapted from Cmglee, Wikimedia, CC BY-SA 3.0

Seven Summits: The Tallest Mountain on Each Continent

Caitlin Dempsey

Listed here are the tallest mountains based on summit elevation for each of the seven continents.

hydrothermal pools and terraces of Dallol, Ethiopia. Photo: Kotopoulou Electra, Wikipedia, CC BY-SA 4.0

A Place on Earth Where No Life Exists

Caitlin Dempsey

Researchers recently discovered at least one location on Earth that lacks any discernible life forms.