The British Geological Survey initially believed the current solar activity could lead to a G5, or an extreme geomagnetic storm — the highest level on the scale. The survey also dubbed Tuesday’s event ...

Four astronauts are preparing to fly around the Moon on a roughly 10-day mission, and for the entire trip, teams on the ground will be watching the Sun as closely as they watch the spacecraft. NASA ...

Add Yahoo as a preferred source to see more of our stories on Google. The aurora borealis may be visible Thursday night along the U.S.-Canada border. (Space Weather Prediction Center) While February ...

(CNN) — Dazzling auroras delighted sky-gazers Tuesday night, even in southern US states such as Florida where they rarely make an appearance — and more colorful displays are expected again Wednesday ...

A century of solar observations from Kodaikanal Solar Observatory and modern satellite data reveal patterns in the Sun’s polar magnetic activity, aiding predictions of future solar cycles.

While February weather across Texas remains calm and seasonable, activity on the sun is ramping up which could bring a colorful display across the night sky Thursday night for areas along the United ...