Researchers mapped Earth’s ionosphere, part of the upper atmosphere, using signal data from 40 million phones – a method that ...

STEVE is a mysterious purple-white arc near the aurora, typically seen after space disturbances called substorms. A new study reveals a rare STEVE event without a substorm, prompting questions about ...

Some states might be able to see the northern lights on Tuesday night after a recent geomagnetic storm expanded the view line ...

The Kp number is a numeric scale that describes geomagnetic activity and is computed by averaging ... When the particles ...

The satellites were built by Millennium Space Systems, a Boeing company. The team is completing its integration of the ...

Auroral activity is forecast with a Kp index of four on a scale of nine for Wednesday night, meaning the northern lights will ...

That region of the Earth’s atmosphere called the ionosphere can contain ... in areas without monitoring stations could ...

Did you know most auroras are only seen in places above 60 degrees latitude? This natural wonder, known as the Aurora ...

A small but mighty cluster of sunspots have made their biggest mark yet on Earth's magnetosphere—and on the radio signals ...