Environment
New Horizons discovery raises solar wind riddle around Pluto
The spacecraft鈥檚 observations of the dwarf planet鈥檚 atmosphere have raised questions over existing models of the solar wind
News
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Chemtrails conspiracy theory gets put to the ultimate test
Opinion
Environment
No-fly zone: Exploring the uncharted layers of our atmosphere
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
Fantastical light shows go on above thunderclouds, full of little-studied phenomena like upside-down lightning. Now they've been snapped from Earth and the ISS
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
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