Mystery ozone-destroying gases linked to badly recycled fridges
Last week we learned a chemical that harms the ozone layer is being emitted in Asia – and now it seems sloppy recycling might be partly to blame
Oxygen may have helped complex life arise a billion years early
Earth’s air suddenly got a lot more oxygen around 1.6 billion years ago and that could have triggered the evolution of large multicellular organisms
We may know why Jupiter’s Great Red Spot is red instead of white
The gases in Jupiter's atmosphere should form white clouds, so why do they look red? Two teams have found different recipes for the red in the Great Red Spot
A layer of haze keeps Pluto’s atmosphere extremely cold
Pluto is far from the sun, so astronomers expect its atmosphere to be cold, but it's colder than predicted. Now we know that soot sends the sun’s heat back into space