A moderate geomagnetic storm can cause minor issues for satellites, GPS signals and high-frequency radio communication. Some power grid systems in higher-latitude countries may also see small ...

Northern lights occur when a solar flare interacts with Earth's atmosphere.

The Sun is now at the most active point in its roughly 11‑year solar cycle, and scientists say the current peak has arrived ...

On Tuesday, Feb. 17 , the Earth will witness an annular solar eclipse — commonly called a ring of fire .

NASA’s Solar Dynamics Observatory captured this image of a solar flare — seen as the bright flash near the center — on Nov. 6, 2024 (NASA/SDO) The Sun has unleashed a powerful solar flare, Nasa has ...

On Monday, April 8, a total solar eclipse will alter weather conditions on the Earth’s surface while the astronomical marvel unfolds in the sky. Changes to temperature, wind speed and humidity occur ...

Excited eclipse watchers, watch out: Weather could complicate attempts to see the epic astronomical phenomenon in parts of the South and interior Northeast. Clouds and storms could hinder the ability ...