NASA’s Worldview Puts 20 Years of Earth Data at Your Fingertips
Powerful Earth-observing instruments aboard NASA’s Terra and Aqua satellites, launched in 1999 and 2002, respectively, have observed nearly two decades of planetary change. Now, for…
Powerful Earth-observing instruments aboard NASA’s Terra and Aqua satellites, launched in 1999 and 2002, respectively, have observed nearly two decades of planetary change. Now, for…
Off the coast of Hawaii’s Big Island and more than 3,000 feet (900 meters) beneath the ocean surface lie the warm, bubbling springs of a…
As the International Space Station flew over the Indonesian coast of Sumatra on an April night, lightning from a thunderstorm reached the upper layers of…
Earth’s magnetic field provides an invisible but crucial barrier that protects Earth from the solar wind–a stream of charged particles launched from the sun’s outer…
NASA astronaut Ricky Arnold captured this clear view of Mount Rainier National Park as the International Space Station orbited above at about 17,500 miles per…
Our Sun provides the light and heat that energizes our plants, our solar panels and our weather, among other things. But its influence stretches over…
The Yale Peabody Museum of Natural History is having a gold rush — one in which prospectors can gaze at glittering specimens of radiating golden…
Thunderstorms in Earth’s upper atmosphere remain something of a mystery. Scientists cannot reach them directly with instruments; they are too high for balloons and too…
Each new season brings change. Seasonal change on land is something that we’re familiar with and adjust to regularly. But what happens to billions of…
Up until about ten years ago, scientists thought they had a pretty good picture of how the moon and Earth came to co-exist. Then more…
Large concentrations of sulfites and bisulfites in shallow lakes may have set the stage for Earth’s first biological molecules. Around 4 billion years ago, Earth…
On rare calm days, the most striking thing you notice at an altitude of more than 8,000 feet on an Antarctic glacier is the silence….
Antarctica’s great ice sheet is losing ground as it is eroded by warm ocean water circulating beneath its floating edge, a new study has found….
More Arctic sea ice is entering the North Atlantic Ocean than before, making it increasingly dangerous for ships to navigate those waters in late spring,…
When an earthquake strikes, nearby seismometers pick up its vibrations in the form of seismic waves. In addition to revealing the epicenter of a quake,…
Notanee Bourassa knew that what he was seeing in the night sky was not normal. Bourassa, an IT technician in Regina, Canada, trekked outside of…
Nutrient-rich ash from an enormous flare-up of volcanic eruptions toward the end of the dinosaurs’ reign kicked off a chain of events that led to…
Imagine a year in Africa where summer never arrives. The sky takes on a gray hue during the day and glows red at night. Flowers…