Earth
-
EarthScientists Say: Seismology
Seismology is the branch of science focused on seismic waves — vibrations that run through or around Earth.
-
EnvironmentProtecting forests may help head off future pandemics
Hungry bats are more likely to shed harmful viruses to people or livestock when they spread out to hunt food. Conserving forests may limit this risk.
-
ClimateEight ways you can cut your carbon footprint
Learn how you can limit the climate-warming gases associated with what you eat, the products you buy and the energy you use.
By Laura Allen -
ClimateThe world is aiming for ‘net zero’ emissions of greenhouse gases
Nations are charting how they might ‘zero’ out their releases of climate-warming gases. Success might greatly lower the risks of climate catastrophes.
-
FossilsAn ancient ichthyosaur graveyard may have been a breeding ground
Some 230 million years ago, huge dolphin-like reptiles appear to have gathered to breed in safe waters, just as many whales do today.
-
EnvironmentGas stoves can spew lots of pollution, even when they’re turned off
A new study finds they can leak benzene and other harmful chemicals into homes, sometimes at very high levels.
By Laura Allen -
EnvironmentFor a better brick, just add poop
Sewage sludge. Cow dung. They’re not just waste — scientists are finding uses for processed poop in construction materials.
By Laura Allen -
EarthAnalyze This: Salt may quash lightning over the sea
Bits of airborne salt may help raindrops form, removing water from clouds before it can freeze as part of the process that makes lightning.
-
ClimateGreen energy is cheaper than fossil fuels, a new study finds
Switching over to clean, renewable power — and away from fossil fuels — could save trillions of dollars by 2050, a new study finds.
By Laura Allen -
ClimateExplainer: What is decarbonization?
Lowering carbon levels in our atmosphere to stabilize the climate may start with switching from fossil fuels to greener energy sources.
By Laura Allen -
ChemistryExplainer: All about carbon dioxide
Animals and other life on Earth exhale carbon dioxide, which plants use for photosynthesis. But too much of this gas can perturb Earth’s climate.
By Trisha Muro -
EnvironmentMicroplastic pollution aids viruses and prolongs their infectivity
The tiny plastic bits give these germs safe havens. That protection seems to increase as the plastic ages and breaks into ever smaller pieces.