Articles by

Nikk Ogasa

Why Japan issued its first-ever mega-earthquake alert

On August 8, the Japanese Meteorological Agency issued its first-ever “megaquake alert,” after a magnitude 7.1 earthquake...

Squall line tornadoes are sneaky, dangerous and difficult to forecast

Meteorologist Thea Sandmael watched the storm close in. It was near enough for her to spot a...

Climate change is driving the extreme heat baking France’s Olympics

Il fait trop chaud. The Paris Olympics officially opened on July 26, just in time for athletes...

Landfills belch toxic ‘forever chemicals’ into the air

What’s dumped into a landfill is supposed to stay there, but a new study finds that toxic...

Something weird is happening to Earth’s inner core

Something strange is happening at Earth’s center. Decades of earthquake data show that Earth’s inner core has...

Geoscientists found the most dangerous part of a famous West Coast fault

The most destructive Cascadian earthquakes are likely to slam offshore of Washington state and Vancouver Island, new...

A new approach to fighting wildfires combines local knowledge and AI

On June 4, 2021, amid flowering saguaros and prickly pear cacti, a wildfire bloomed in the Sonoran...

Three reasons why the ocean’s record-breaking hot streak is devastating

Earth’s largest ecosystem is broiling. Every day for the last 12 months, the average temperature of most...