All Stories

Life

Explainer: What is an invasive species?

These foreign organisms hitchhike, spread widely and stir up trouble in native ecosystems.

Animals

Rewilding returns lost species to strengthen ecosystems

Restoring the missing species can help undo human-caused problems by aiding forests, slowing climate change and reducing wildfires.

Animals

Scientists discover the first true millipede

The newfound deep-living species tunnels belowground using a whopping 1,306 legs!

Health & Medicine

Let’s learn about snot

For humans, snot plays a key role in fighting off diseases. Other animals have found different uses for the slimy stuff.

Earth

Climate change is upping the height of Earth’s lower atmosphere

The upper edge of the troposphere, the slice of sky closest to the ground, rose 50 to 60 meters (165 to 200 feet) a decade from 1980 to 2020.

Space

Scientists Say: Solar wind

This is a powerful gust of charged particles that flows out from the sun through the solar system.