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Read article: Satellites burning up in the atmosphere may deplete Earth’s ozone layer
Pollution from decommissioned satellites re-entering the atmosphere poses a risk to the Earth’s protective ozone layer
Read article: Organic molecule from trees excels at seeding clouds, CERN study reveals
Sesquiterpene creates cloud-forming particles
Read article: Threshold for X-ray flashes from lightning is identified by simulations
Research could lead to new types of X-ray sources
Read article: Laser beam diverts the path of lightning strikes
In the first experimental demonstration of laser-guided lightning, researchers fire a laser beam into the sky to divert the course of lightning discharges
Read article: Zig-zag lightning could be mediated by metastable oxygen
Physicists may have solved enduring mystery
Read article: Cosmic muons probe the interiors of tropical cyclones
Imaging technique could be used to improve storm forecasts
Read article: Atmospheric helium levels are on the rise
While not a worry in itself, the increase could serve as an indirect indicator of fossil fuel usage
Read article: Weather satellite sheds light on ‘Great Dimming’ of Betelgeuse star
Chance observations corroborate hybrid explanation for drop in brightness
Read article: Black-hole physics and that iconic ‘shadow’ image, balloons and rockets probe the atmosphere’s acoustic duct
We speak to a geophysicist and an astrophysicist in this week’s podcast
Read article: Oscillating temperature gradient boosts heat flow in fluids
Discovery could improve climate models
