Explore This Section Home Framework for Heliophysics Education About 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 Helio MissionsContinue Reading
Explore This Section Science Helio and You Series Directory Home Framework for Heliophysics Education About 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 |Continue Reading
By Simon Bélanger, Université du Québec à Rimouski (UQAR), Québec, Canada What an extraordinary feeling it is to witness the beauty of these icy landscapes, where the ice sheet flows down to the sea through fjords with steep, towering walls—watching, in real time, as the ice sculpts this raw, mineralContinue Reading
The rollout ceremony for NASA’s first space shuttle, OV-101, coincided with Constitution Day of the nation’s bicentennial on Sept.17, 1976. Although the orbiter was originally planned to be named Constitution, Star Trek fans successfully convinced President Gerald Ford to name it Enterprise after the series’ fictional starship. NASA Fifty yearsContinue Reading
The thousands of square miles of mountain watershed around L.A. — the San Gabriels and the San Bernardinos — are as steep as roller coasters, and the rain funnels off them in tumults.Continue Reading
The move continues Republican efforts to undercut the state’s climate rules, but it’s unclear whether the Senate will follow suit.Continue Reading
Explore This Section Home Framework for Heliophysics Education About 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 Helio MissionsContinue Reading
The prospects for state-level climate and energy legislation could hinge on the outcomes of just a few races. By Dan Gearino Democrats are poised to achieve trifectas—control of the governor’s office and both legislative chambers—in at least three states in this year’s midterm elections, and maybe even more.Continue Reading
Waterfront homes are collapsing along the coast. Homeowners generally have plenty of warning before their house buckles. So why aren’t most houses removed, or at least emptied, before they fall? (Image credit: Ryan Kellman)Continue Reading
A newly identified 240-million-year-old animal from Tanzania is forcing scientists to rethink the early dinosaur timeline. Dinodontosaurus isiyavamanda belongs to a group previously known only from South America, linking fossil deposits on the two continents. That connection suggests Tanzania’s supposed oldest dinosaur fossils may actually be millions of years youngerContinue Reading
APOD Science APOD APOD: 2026 September 17 – A… 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 byContinue Reading
Earth Observatory Science Earth Observatory Summer Goes Out With a Heat Dome 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 WorldContinue Reading
A new attribution study shows how warming rocks, thawing permafrost and melting ice formations created a catastrophic chain of impacts. By Bob Berwyn Climate attribution researchers say “there is absolutely no doubt” that decades of global warming set the stage for the deadly rock and glacier collapse on Langtang LirungContinue Reading