A geomagnetic storm on Jan. 20 triggered unexpected F2 propagation, allowing VHF DXers in North America to receive TV signals from as far away as Colombia.

At the Space Weather Workshop in Boulder, Colorado, NASA-funded researchers have released to the general public a “4-D” live model of Earth’s ionosphere. Without leaving home, anyone can fly through ...

Although Mars is sometimes described as the most Earth-like of all the planets, there are many differences between the two worlds that scientists are trying to understand. One of the less familiar ...

The year 1816 was a weird one, climatically speaking. Months that would normally be warm and pleasant were cold, rainy and overcast, leading to crop shortages across much of the Northern Hemisphere.

WASHINGTON — A three-stage suborbital sounding rocket on March 3 launched an Air Force Research Laboratory experiment from NASA’s Wallops Flight Facility in Virginia. This was the first sounding ...

A plan to use millions of smartphones to map out real-time variations in Earth’s ionosphere has been tested by researchers in the US. Developed by Brian Williams and colleagues at Google Research in ...

The ionosphere – the region of geospace spanning from 60 to 1000 kilometres above the Earth – impairs the propagation of radio signals from global navigation satellite systems (GNSS) with its ...

After Hurricane Ian ravaged the Caribbean and southeastern U.S. at the end of September, a years-old conspiracy theory about the government being able to control weather resurfaced on social media.

Fresh findings about the edge of Earth's atmosphere are puzzling scientists affiliated with two missions that launched this year, and then some. This zone, at an altitude of roughly 50 to 400 miles ...

The powerful volcanic eruption in January 2022 created ripple effects throughout the world's atmosphere and oceans. Analysis of the Hunga Tonga eruption shows how signals from the ionosphere could ...

Most people know lightning as the jagged bolts that jump between clouds and the ground. But lightning flickers above thunderstorms too, where the ghostly flashes have such fanciful names as elves and ...