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Contrails from planes

Earth

Chemtrails conspiracy theory gets put to the ultimate test

What happened when 77 atmospheric scientists actually took a look at the claim that aircraft are spewing out mind-controlling chemicals, wonders Phil Plait

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green sky

Technology

US Air Force wants to plasma bomb the sky using tiny satellites

News

planet

Space

No-fly zone: Exploring the uncharted layers of our atmosphere

Features

round, grey blob on micrograph

Earth

Shooting stars show Earth had oxygen eons before we thought

News

The Jicamarca Radio Observatory in Peru, where radar echoes in the upper atmosphere were first detected

Space

Invisible radar wall in the atmosphere caused by UV from the sun

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Mount Everest

Earth

Early Earth's air may have been thinner than on Everest today

News

Illustration of a planet losing its atmosphere

Space

Stars burn away the atmospheres of close-in super-Earths

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swansong earth

Earth

Last days of Earth: Life in 7 billion years AD

Features

A blue glow in the clouds, as seen from the window of the ISS

Earth

Upside-down lightning and mystery blue glimpses caught on film

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clouds

Earth

Rain makers: How high-flying bacteria could control the clouds

Microbes in the clouds seem able to hijack the weather for their own good, summoning drizzle and downpours. Can we use them to control where rain falls?

Features

Earth

Record warming is terrifying but long-term trend is even worse

Analysis

Space

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

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