Earth
- Earth
Scientists Say: Supermoon
This supersized lunar event occurs when a full moon or new moon coincides with the moon’s perigee — the point where it is the closest to Earth.
- Earth
These ultra-long experiments outlive their scientists — on purpose
To study phenomena that unfold over decades or even centuries, scientists may launch projects they may never see finished.
- Animals
Parrotfish shape the future of coral reefs, one bite at a time
Could these colorful fish aid struggling coral? Yes, but not always. Parrotfish play a complex role in reefs — and sometimes may cause harm.
- Fossils
Baby pterosaurs likely died in violent Jurassic storms
Two hatchlings with broken arm bones point to ancient storms as the cause of mass casualties now preserved in Germany’s Solnhofen Limestone.
- Earth
Cities across the world are sinking. Here’s how they might rebound
Affected coastal cities tend to flood more often — a growing threat in this era of continuing sea level rise.
- Physics
Scientists Say: Infrasound
“Listening” for changes in these deep rumblings can allow scientists to predict earthquakes and other geological events.
- Environment
During heat waves, trees spew chemicals that worsen air pollution
New data point to how heat waves and other climate change will make it harder to curb ozone and other types of toxic air pollution — even outside of cities.
- Animals
Save the sharks to save the ocean
Humans have driven sharks and their cousins to the brink of extinction, but it’s not too late to turn the tide. At stake is the health of the entire ocean.
- Animals
Explainer: What is a shark?
These fish have skeletons made of cartilage, not bone — and aren’t nearly as scary as portrayed in the media.
- Animals
A shark encounter inspired this researcher’s career in marine biology
Heidy Martinez never wanted to study sharks as a kid. That changed after encountering a white shark in South Africa.
- Environment
See how aerosols fly through Earth’s skies
These small airborne particles may offset one-third of human-caused climate warming. But the cooling influence of aerosols is fading.
- Earth
This ‘megaflash’ is now the longest lightning bolt on record
A reanalysis of satellite data showed that a 2017 Texas-to-Missouri lightning megaflash stretched 829 kilometers (515 miles) and lasted 7.39 seconds.
