No geomagnetic storm conditions, resulting in auroral borealis moving further south, are expected, though NOAA said there is ...

7 a.m., 1490-AM — Spears and Ali 3 p.m., 1450-AM — Eye on the Ball 4 p.m., 1290-AM — D.K. on the Sports Tip All events are ...

Solar flares are giant explosions that occur in a localized regions of the sun's atmosphere, typically originating from ...

leading to radio blackouts and power outages on Earth and potentially dangerous conditions for astronauts. While the sun is ...

All events are Tucson times. Schedule subject to change and/or blackouts.

Cuba was left reeling Thursday after a fierce Category 3 hurricane ripped across the island and knocked out the country’s power grid. The magnitude of the impact remained unclear ...

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

A massive X2.3 solar flare erupts from sunspot AR 3883, causing radio blackouts over southern hemisphere regions.

The Sun has once again unleashed a powerful solar flare and this time it triggered radio blackouts.  The flare, which ...

In this instance, with such an intense amount of ultraviolet (UV) radiation that accompanied the flare, a shortwave radio ...

A November 6 solar flare hit X2.3-class in strength, causing Atlantic radio blackouts, with more potentially on the way if further solar flares are released.

It comes as Cuba is roiled by blackouts and a deepening energy crisis. Shipments of Russian and Venezuelan oil that long kept the communist-run island afloat have largely petered out, leaving ...