Earth Observatory Science Earth Observatory Reaching the Precipice in… 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 Search Collections Global Maps World of ChangeContinue Reading
A trip to Antarctica at this time of year means a month of no darkness. Our climate reporter Raymond Zhong reflects on one of the last sunsets that he and our photographer Chang W. Lee will experience for some time.Continue Reading
Jacob Soboroff was raised in the Pacific Palisades and reported live from the area as it was devastated by fire in 2025. In Firestorm, Soboroff offers a minute-by-minute account of the catastrophe. (Image credit: Josh Edelson)Continue Reading
The Environmental Protection Agency says it will propose a drinking water limit for perchlorate, a chemical in certain explosives and propellants.Continue Reading
Many organizations are taking actions to shrink their carbon footprint, such as purchasing electricity from renewable sources or reducing air travel. Both actions would cut greenhouse gas emissions, but which offers greater societal benefits? In a first step toward answering that question, MIT researchers found that even if each activityContinue Reading
Physics of the Cosmos … Physics of the Cosmos Community PhysCOS Activities at AAS… About Community Program Analysis Group (PhysPAG) Science Groups News & Events Cosmic Pathfinders Science Gaps Opportunities Missions Studies News & Events Resources PhysCOS Science Poster Launch. Activities at AAS 247 – Tuesday, 6 January 5Continue Reading
A map made with SWOT data describing estimated discharge for rivers around the world. This information has numerous applications, from freshwater management to flood prediction. (NASA/JPL/UMass) Science teams at NASA and the French space agency CNES (Centre National d’Études Spatiales) have released the first-ever global estimate of river discharge andContinue Reading
4 Min Read I Am Artemis: Jacki Mahaffey Jacki Mahaffey, Artemis II chief training officer at NASA’s Johnson Space Center in Houston, stands in front of the Orion mockup in Johnson’s Space Vehicle Mockup Center. Credits: NASA/Rad Sinyak Listen to this audio excerpt from Jacki Mahaffey, Artemis II chief trainingContinue Reading
David Beaman Acting Program Manager, NASA’s Space Launch System David Beaman is the acting program manager of NASA’s SLS (Space Launch System) at the agency’s Marshall Space Flight Center in Huntsville, Alabama. He directs all SLS program activities, including development and operations of America’s deep space rocket. Experience Beaman previouslyContinue Reading
NASA astronaut and Expedition 72 Flight Engineer Anne McClain is pictured near one of the International Space Station’s main solar arrays during a spacewalk to upgrade the orbital outpost’s power generation system and relocate a communications antenna. Credit: NASA NASA astronauts will conduct two spacewalks Thursday, Jan. 8, and Thursday,Continue Reading
A meltwater lake that formed in the mid-1990s on Greenland’s 79°N Glacier has been draining in sudden, dramatic bursts through cracks and vertical ice shafts. These events have accelerated in recent years, creating strange triangular fracture patterns and flooding the glacier’s base with water in just hours. Some drainages evenContinue Reading
Limiting use of desflurane helps hospitals reduce their greenhouse gas emissions; the European Union now prohibits its use during most procedures. By Phil McKenna Desflurane is a common anesthetic used in hospital operating rooms worldwide. It’s also a climate super pollutant. Now, several decades after the drug was first introduced,Continue Reading
By Michael Allen For the first time, scientists have used NASA’s IXPE (Imaging X-ray Polarization Explorer) to study a white dwarf star. Using IXPE’s unique X-ray polarization capability, astronomers examined a star called the intermediate polar EX Hydrae, unlocking the geometry of energetic binary systems. In 2024, IXPE spent nearly one weekContinue Reading