Articles by

Carolyn Gramling

A stunning visualization of Alaska’s Yukon Delta shows a land in transition

The westward journey of the mighty Yukon River takes it from its headwaters in Canada’s British Columbia...

Insects had flashy, noise-making wings as early as 310 million years ago

Modern insects are versatile wing conversationalists. Crickets can scrape a leg against a wing or rub two...

Satellites show how a massive lake in Antarctica vanished in days

On June 5, 2019, a massive, ice-covered lake sat atop East Antarctica’s Amery Ice Shelf. Within six...

Human-driven climate change sent Pacific Northwest temperatures soaring

The deadly heat wave that baked the Pacific Northwest in late June would have been “virtually impossible”...

A WWII submarine-hunting device helped prove the theory of plate tectonics

This is the story of how the world travels of a 19th century explorer, two bar magnets...

Scientists have found the origins of a mysterious, deadly flood in India

On February 7, a massive flood rushed through a valley in India’s Himalayan Uttarakhand state, washing out...

Something mysteriously wiped out about 90 percent of sharks 19 million years ago

About 19 million years ago, something terrible happened to sharks. Fossils gleaned from sediments in the Pacific...

The last 30 years were the hottest on record for the United States

There’s a new normal for U.S. weather. On May 4, the National Oceanic and Atmospheric Administration announced...