Powerful Earth-observing instruments aboard NASA’s Terra and Aqua satellites, launched in 1999 and 2002, respectively,…
Browsing: Earth
Earth is the third planet from the Sun and the only known world to support life, distinguished by its dynamic geology, diverse ecosystems, and vast oceans. Its atmosphere, rich in nitrogen and oxygen, helps regulate temperature and shield life from harmful radiation. Earth’s layered interior drives plate tectonics, earthquakes, and volcanic activity, shaping its surface over millions of years. From its magnetic field to its climate systems, Earth is a complex, interconnected system that scientists study to understand both its past and its rapidly changing present. As humanity’s only home, Earth remains at the center of environmental research, planetary science, and efforts toward sustainability.
Off the coast of Hawaii’s Big Island and more than 3,000 feet (900 meters) beneath…
As the International Space Station flew over the Indonesian coast of Sumatra on an April…
Earth’s magnetic field provides an invisible but crucial barrier that protects Earth from the solar…
NASA astronaut Ricky Arnold captured this clear view of Mount Rainier National Park as the…
Our Sun provides the light and heat that energizes our plants, our solar panels and…
The Yale Peabody Museum of Natural History is having a gold rush — one in…
Thunderstorms in Earth’s upper atmosphere remain something of a mystery. Scientists cannot reach them directly…
Each new season brings change. Seasonal change on land is something that we’re familiar with…
Up until about ten years ago, scientists thought they had a pretty good picture of…
Large concentrations of sulfites and bisulfites in shallow lakes may have set the stage for…
On rare calm days, the most striking thing you notice at an altitude of more…
Antarctica’s great ice sheet is losing ground as it is eroded by warm ocean water…
More Arctic sea ice is entering the North Atlantic Ocean than before, making it increasingly…
When an earthquake strikes, nearby seismometers pick up its vibrations in the form of seismic…
Notanee Bourassa knew that what he was seeing in the night sky was not normal.…
Nutrient-rich ash from an enormous flare-up of volcanic eruptions toward the end of the dinosaurs’…
Imagine a year in Africa where summer never arrives. The sky takes on a gray…