All Stories by Carolyn Gramling
- Planets
Was that a Marsquake?
‘Marsquakes’ could help scientists learn more about the Red Planet’s inner activity.
- Earth
A million tiny quakes shook Southern California — and no one knew
By putting millions of tiny quakes on record, scientists hope to learn more about what triggers the big ones.
- Earth
Microplastics are blowing in the wind
Tiny pieces of plastic are traveling through the air, a new study shows. A remote mountaintop saw just as much plastic deposited per day as falls on downtown Paris.
- Fossils
Paleontologists find the first fossilized egg inside an ancient bird
For the first time, paleontologists have found an unlaid egg inside an ancient bird fossil. That egg may have caused its mother’s death.
- Oceans
Oceans’ fever means fewer fish
Warming oceans have caused fish populations to plummet since 1930. In some regions, the number of fish that can be caught without depleting populations has dropped by more than one-third.
- Climate
Disappearing sea ice could disrupt Arctic’s food web
When sea ice goes missing in the Arctic, every part of the ecosystem feels the effects.
- Earth
Earth’s core may have hardened just in time to save planet’s magnetic field
Earth’s inner core began to solidify within the past 565 million years, a study finds. That could explain why the planet’s magnetic field did not collapse.
- Fossils
This robot shows how an ancient creature might have walked
Scientists used fossils, footprints, a computer models and a life-sized walking robot to find out how an ancient creature moved.
- Climate
New research may alter what we know about how tornadoes form
New data suggest that the twisters don’t form from the top down.
- Climate
Climate change greatly intensified many 2017 weather events
Climate change increased the likelihood of 16 extreme weather events in 2017 — including one that couldn’t have happened without it.
- Earth
Explainer: Why sea levels aren’t rising at the same rate globally
The ocean is rising all over the world. The rise seems speedier in some places. What gives? Many factors, it turns out, affect where — and why — the tide gets high.
- Earth
A massive crater hides under Greenland’s ice
Radar images point to a crater buried deep under ice in Greenland. Meltwater from the site suggest an asteroid created it. Did this collision trigger a thousand-year global cooling?
