Scientists create the first global map of rare, deep-mantle earthquakes
Stanford University researchers have pulled back a curtain on a hidden part of Earth that rarely makes headlines.…
Two Titanic Structures Hidden Deep Within the Earth Have Altered the Magnetic Field for Millions of Years
A team of geologists has found for the first time evidence that two ancient, continent-sized, ultrahot structures hidden…
Meet the Mysterious Electrides – Eos
This story was originally published by Knowable Magazine. For close to a century, geoscientists have pondered a mystery:…
Report: 13 Great Lakes’ Worth of Water Underlies the Contiguous United States
It’s not easy to determine how much water there is across a landscape. A measly 1% of Earth’s…
How NASA Is Homing in From Space on Ocean Debris
Space-based technology could help track plastic and other flotsam by its ‘fingerprints.’ In late 2025, scientists reported that,…
Our Favorite Science Stories of 2025
It’s been a trying year for science and scientists, and I’m proud of the way Eos is meeting…
The State of CERES: Updates and Highlights
Introduction The Clouds and the Earth’s Radiant Energy System (CERES) was initially designed in the late-1980s and early-1990s…
The Final Earth Observer Editor’s Corner: October–December 2025
It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth…
OPERA: Addressing Societal Needs with Satellite Data
Introduction The Observational Products for End-Users from Remote Sensing Analysis (OPERA) project represents a strategic initiative designed to…
Sentinel-6B Extends Global Ocean Height Record
Introduction On November 16, 2025, the Sentinel-6B satellite launched from Vandenberg Space Force Base (VSFB) in California. The…
Sentinels in the Sky: 50 Years of GOES Satellite Observations
Introduction In an era where satellite observations of Earth are commonplace, it’s easy to forget that only a…
Keeping Up with PACE: Summary of the 2025 PAC3 Meeting
Introduction Launched in Feb. 2024, NASA’s Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission is a cornerstone of Earth…