2022 WJ1 was a tiny asteroid on a collision course with Earth. But astronomers saw it coming, and NASA’s Scout impact hazard assessment system calculated where it would hit.
articles
NASA Satellite Precipitation Data Joins the Air Force
Rain gauges are plentiful around the United States, but that’s not the case elsewhere in the world – particularly over oceans and sparsely populated areas.
How Studying the Clouds Can Improve Climate Models
Associate Research Scientist Kara Lamb grew up reading her father’s Scientific American magazines.
Synthetic Fibres Discovered in Antarctic Samples Show the ‘Pristine’ Continent Is Now a Sink for Plastic Pollution
As nations prepare to meet in Uruguay to negotiate a new Global Plastics Treaty, a new study has revealed the discovery of synthetic plastic fibres in air, seawater, sediment and sea ice sampled in the Antarctic Weddell Sea.
A Study Offers New Insights Into the Record 2021 Western North America Heat Wave
The heat wave that hammered western North America in late June and early July 2021 was not just any midsummer event.
Planet’s Most Unique Birds at Higher Risk of Extinction
A new study finds that bird species with extreme or uncommon combinations of traits face the highest risk of extinction.