Tailpipe emissions standards implemented early this century helped reduce smog levels. Longer, more intense fire seasons have erased much of that progress. By Avril Silva Wildfires have worsened ozone levels across the United States so much over the last decade that they have reversed around four years of progress, aContinue Reading
Earth Observatory Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life on Earth Human Dimensions Natural Events Oceans Remote Sensing Technology Snow & Ice Water More Content Collections Global Maps World of Change Articles Earth Matters Blog Blue Marble: Next GenerationContinue Reading
4 Min Read NASA Knows: What Is Mass Distribution? This article is for students grades 5-8. Mass distribution affects everything from galaxy shapes to aircraft design to planetary rotation. It’s used to map stars in our universe, figure out what planets are made of, and even to determine how luggageContinue Reading
Amber Soja Research Physical Scientist, Wildland Fire Science Program Management, Chemistry and Dynamics Branch, Science Directorate, NASA Langley Research Center About Dr. Amber Soja is an interdisciplinary scientist, with 30 years of research experience in wildland fire and smoke science. Her goal is to connect these integral physical and chemical processesContinue Reading
The ocean covers more than 70 per cent of the planet and regulates climate, sustains biodiversity, and supports economies and cultures worldwide. It’s the foundation of life on Earth.Continue Reading
As oil prices have risen amid geopolitical turmoil, one perhaps overlooked driver of climate change is coming into sharper focus: the production of plastics which are deeply tied to fossil fuels.Continue Reading
South Australia’s koala population has grown so large that it may be heading toward a self-made disaster, with forests struggling to support the animals. Researchers say targeted fertility control could prevent widespread starvation and habitat collapse before it’s too late., Read MoreContinue Reading
In the nation’s fastest-warming state with a multi-billion-dollar fishing industry and storm-threatened coastal communities, scientists say the federal government’s decommission of a deepwater sensor system is ill-timed and wrong-headed. By Paula Dobbyn The upcoming loss of a deep-ocean monitoring system is triggering deep anxiety in Alaska, the nation’s top fish-producingContinue Reading
Earth Observatory Science International Space Station (ISS) San Francisco’s Metropolitan… Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life on Earth Human Dimensions Natural Events Oceans Remote Sensing Technology Snow & Ice Water More Content Collections Global Maps World of ChangeContinue Reading
Researchers have solved a decades-old mystery by showing that a cache of 43 helmets found off the Spanish coast is medieval, not Roman. The remarkable discovery exposes a thriving weapons trade network that connected Mediterranean powers during a time of piracy, warfare, and growing demand for military equipment., Read MoreContinue Reading
NASA’s X-59 quiet supersonic research aircraft completed its first supersonic flight Friday, June 5, 2026, marking the first time the aircraft exceeded the speed of sound in support of NASA’s Quesst mission. The milestone represents a major step in flight testing as the aircraft expands into the supersonic portion of itsContinue Reading
Plastic pollution is choking the ocean, but sustainable alternatives – including seaweed – remain held back by tariffs, fragmented regulations and the overwhelming market advantage enjoyed by fossil fuel-based plastics. Continue Reading
The United Nations climate chief called on Monday for countries to step up action to implement existing commitments, warning that fossil fuel dependency is deepening economic instability and exposing vulnerable communities to worsening climate impacts. Continue Reading