Environment
No-fly zone: Exploring the uncharted layers of our atmosphere
In this forbidden region, planes can't fly, balloons can't float, and satellites struggle to orbit. A swarm of tiny probes is about to reveal its secrets
Features
Environment
US Air Force wants to plasma bomb the sky using tiny satellites
News
Earth
Shooting stars show Earth had oxygen eons before we thought
News
Environment
Invisible radar wall in the atmosphere caused by UV from the sun
News
Earth
Early Earth’s air may have been thinner than on Everest today
News
Environment
Stars burn away the atmospheres of close-in super-Earths
News
Earth
Last days of Earth: Life in 7 billion years AD
Features
Earth
Upside-down lightning and mystery blue glimpses caught on film
News
Earth
Rain makers: How high-flying bacteria could control the clouds
Features
Earth
Record warming is terrifying but long-term trend is even worse
Temperature and CO2 are at record levels, but don’t let that distract from the bigger picture of long-term climate change, says Michael le Page
Opinion
Environment
Exclusive photos: Clouds seen on Pluto for first time
News
Earth
Planets with too much carbon dioxide could lose oceans to space
News
Earth
Fake meteors could probe mysterious layers of upper atmosphere
News
Earth
El Niño means glaciers in the Andes are melting at record rates
News