Episode description: Normal matter—the kind that makes up our home planet and everything we can see—adds up to just five percent of the known universe. The other 95 percent is dark matter and dark energy. NASA’s Nancy Grace Roman Space Telescope will settle essential questions about this dark side, especiallyContinue Reading
Explore This Section … Citizen Science Projects Overlap Zoo Projects Highlights Publications NASA Citizen Scientists Science Activation Resources Overlap Zoo Galaxies, which are themselves vast collections of billions of stars, gas, and dust held together by gravity, are scattered across the immensity of space. Every so often, a rareContinue Reading
Along the coast of Tanzania, in East Africa, the Indian Ocean is pushing saltwater ever farther inland, shrinking coconut harvests, driving fish away and leaving some residents wondering how much longer they can stay.Continue Reading
Patients and workers in one of the country’s largest hospitals sweltered in a heat wave last month. Experts say the whole country must urgently adapt.Continue Reading
As opposition to data centers grows, researchers eye the state’s thousands of acres of polluted mine lands as potential solutions. By Jessica Klein Almost nobody wants a data center for a neighbor. Residents fear noise and air pollution, excessive energy and water use and the loss of open land. InContinue Reading
Physics of the Cosmos … Physics of the Cosmos Community PhysPAG Community Meeting, 28… About Community Program Analysis Group (PhysPAG) Science Groups Meetings Cosmic Pathfinders Science Gaps Early Career Workshops Opportunities Missions Studies News & Events Resources PhysPAG Community Meeting Location Virtual Dates 28 September 2026 12:00pm ET /Continue Reading
Amy Westervelt’s new book Brought To You By: How Corporations Warped the Truth, Conned the Public, and Broke Democracy is a must-read for anyone tracking the machinery of climate denial and delay. The book offers a forensic account of how corporate America built a vast apparatus of public relations firmsContinue Reading
Climate science is filled with “conflicting facts and opinions” and experts are “divided” on whether humans should be blamed for a warmer atmosphere. Those were some of the “quick facts” and “speaking notes” disseminated by the Petroleum Communication Foundation (PCF) on December 15, 1997, just days after nations negotiated the world’sContinue Reading
Genetic evidence has revealed a previously unknown gentoo penguin species on the remote Kerguelen Islands and shown that gentoos actually consist of four distinct species. The discovery also highlights a growing threat, as warming oceans could leave several island populations with little suitable habitat by 2050., Read MoreContinue Reading
APOD Science APOD APOD: 2026 September 22 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by aContinue Reading
Earth Observatory Science Earth Observatory An Epic View of the Seasons 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 ofContinue Reading
Explore This Section Home Framework for Heliophysics Education Learn More 1.1 | Eclipses & Seasons 1.2 | Space Weather 1.3 | Climate 2.1 | Habitable Zones 2.2 | The Heliosphere 2.3 | Light 3.1 | Solar Magnetism 3.2 | Structure of the Sun 3.3 | Life Cycle of Stars |Continue Reading
The number of U.S. data centers is growing, largely to power artificial intelligence programs. That has led to concern about the environmental consequences of data centers — and their impact on the energy grid itself. What will happen if scores of new data centers come online? A new study byContinue Reading