Morning Overview on MSN

A 5.4 earthquake just rattled the Tongan Trench off Neiafu — another strong South Pacific jolt as the Ring of Fire stays wide awake this week

The seafloor northeast of Neiafu, Tonga, lurched again on May 26, 2026, when a magnitude-5.4 earthquake struck along the ...
Smithsonian Magazine

Tonga’s Enormous Volcanic Eruption Cleaned Up Part of Its Own Methane Emissions in 2022, Hinting at a Way to Fight Climate Change

Researchers analyzed satellite imagery of the volcanic plume and found evidence that the potent greenhouse gas had broken ...
Morning Overview on MSN

The Pacific Ring of Fire generates roughly 90% of the world’s earthquakes along a 40,000-kilometer horseshoe of colliding plate boundaries

Roughly 90 percent of the planet’s earthquakes strike along a single geologic feature: a 40,000-kilometer arc of colliding ...
The Debrief

In Antarctica, Scientists Just Discovered a Massive Hidden Structure Deep Below the Frozen Surface

A massive, semi-continent-sized subsurface structure has been discovered by scientists beneath Antarctica’s frozen surface. The discovery, reported by an international team of scientists, reveals the ...