A new modeling study shows how the density of the thermosphere influences the paths of satellites in low Earth orbit.
Hazards & Disasters
Posted inNews
Remote Landslide Puts Fraser River Salmon on Shaky Ground
An alliance of First Nations, provincial, and federal leaders worked with scientists, engineers, and emergency responders to rescue critical salmon stocks in western Canada.
Posted inNews
Another Scorcher: 2019 Was the Second-Hottest Year on Record
Heat waves, massive melts, and droughts, oh my. The past decade was our hottest yet.
Posted inFeatures
The World in 2050 Pursues Paths to a Sustainable Future
This initiative aims to provide fact-based knowledge to help implement and achieve the United Nations’ Sustainable Development Goals.
Posted inNews
Taal Eruption and Ashfall Continue; Thousands Still at Risk
The Philippines’ volcanology institute warns that a hazardous eruption of Taal is imminent. In the past, Taal’s eruptions have lasted months and even years.
Posted inNews
Modern Farming Kick-Starts Large Landslides in Peruvian Deserts
Large-scale irrigation programs have triggered giant, slow-moving landslides in arid valleys, leading to the destruction of both traditional and modern farmland.
Posted inNews
Five Environmental Consequences of Australia’s Fires
Australia’s road to recovery may be long: Here’s a developing list of how the fires are affecting glaciers, wildlife, water supplies, and global carbon emissions.
Posted inNews
Amazon Fires Contribute to Andean Glacier Melting
New research finds that black carbon emissions produced by fires in the Amazon cause glaciers in the Andes to absorb more sunlight and melt more.
Posted inNews
Rare Earthquake Swarm Strikes Puerto Rico
Puerto Rico hasn’t seen this many strong quakes in a single sequence since seismic monitoring began 46 years ago. The last earthquake to damage the island this badly occurred in 1918.
Posted inScience Updates
Understanding High-Energy Physics in Earth’s Atmosphere
Thunderstorms present a variety of hazards, including emissions of ionizing radiation. An international group of scientists met at an Armenian observatory to share their findings.