On an ancient seafloor, burrowing animals appeared and churned up sediment as a sort of…
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.
New seismic data provide structural basis for strong earthquakes that strike at both ends of…
Regardless of the amount of winter ice cover, the waters off of the Alaskan coast…
New study shows that 1–2 percent of Earth’s oldest mantle rocks are made from diamond.…
The evolution of Earth’s first animals more than 500 million years ago caused global warming,…
Like our oceans, today’s continents are brimming with life. Yet billions of years ago, before…
New research review provides insights into the continent’s response to climate warming. Scientists from the…
Powerful Earth-observing instruments aboard NASA’s Terra and Aqua satellites, launched in 1999 and 2002, respectively,…
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…