Articles by

Carolyn Gramling

Freshwater first appeared on Earth 4 billion years ago, ancient crystals hint

Earth may have had fresh, not just salty, water as soon as 600 million years after the...

Will stashing more CO2 in the ocean help slow climate change?

The ocean is Earth’s climate hero. For decades, ocean waters have helped hold back the juggernaut of...

Polar forests may have just solved a solar storm mystery

The strongest solar flare in recorded history burst into Earth’s atmosphere in 1859, bathing both hemispheres in...

Climate change is changing how we keep time

Climate change may be making it harder to know exactly what time it is. The rapid melting...

Waterlogged soils can give hurricanes new life after they arrive on land

Once a hurricane makes landfall, it’s usually the beginning of the end for the storm. But a...

Many but not all of the world’s aquifers are losing water

The world’s precious stash of subterranean freshwater is shrinking — and in nearly a third of aquifers,...

Earth’s largest ape went extinct 100,000 years earlier than once thought

The world’s largest ape vanished from Earth more than 100,000 years earlier than once thought, pushed to...

COP28 nations agreed to ‘transition’ from fossil fuels. That’s too slow, experts say

Days of contentious wrangling in Dubai at the United Nations’ 28th annual climate summit ended December 13...