Geography

Hundreds of ancient earthworks built in the Amazon

Hundreds of ancient earthworks built in the Amazon

The Amazonian rainforest was transformed over two thousand years ago by people who built hundreds of large, mysterious earthworks. Findings by Brazilian and UK experts...
2 Maya collapses came in waves of unrest

2 Maya collapses came in waves of unrest

Using the largest set of radiocarbon dates ever obtained from a single Maya site, archaeologists have developed a precise timeline that clarifies patterns leading...
No link between gigantic asteroid break-up and rise in biodiversity

Myth busted: No link between gigantic asteroid break-up and rise in biodiversity

Some 470 million years ago, during the middle part of the geological period known as the Ordovician, an asteroid collision took place somewhere between...
Ancient DNA reveals 'continuity' between Stone Age and modern populations in East Asia

Ancient DNA reveals ‘continuity’ between Stone Age and modern populations in East Asia

Researchers working on ancient DNA extracted from human remains interred almost 8,000 years ago in a cave in the Russian Far East have found...
Earth's water may have originally been formed deep within its mantle

Earth’s water may have originally been formed deep within its mantle

Earth’s water may have originally been formed by chemical reactions deep within the planet’s mantle, according to research led by University College Dublin. The new...
Low level of oxygen in Earth's middle ages delayed evolution for 2 billion years

Low level of oxygen in Earth’s middle ages delayed evolution for 2 billion years

A low level of atmospheric oxygen in Earth's middle ages held back evolution for 2 billion years, raising fresh questions about the origins of...
National Geographic Kids announces grand-prize winner of International Photography Contest for Kids

National Geographic Kids announces grand-prize winner of International Photography Contest for Kids

Selected from more than 46,000 entries around the world, 11-year-old Dewi Baggerman from the Netherlands was named the grand-prize winner of the National Geographic International...
Gulf shrimp prices reveal hidden economic impact of dead zones

Gulf shrimp prices reveal hidden economic impact of dead zones

Hypoxic dead zones in the Gulf of Mexico drive up the price of large shrimp relative to smaller sizes, causing economic ripples that can...
Lost continent found under Mauritius

Lost continent found under Mauritius

Scientists have confirmed the existence of a "lost continent" under the Indian Ocean island of Mauritius that was left-over by the break-up of the...
First-ever GPS data release to boost space-weather science

First-ever GPS data release to boost space-weather science

Today, more than 16 years of space-weather data is publicly available for the first time in history. The data comes from space-weather sensors developed by...