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

How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What type of star it is: A yellow dwarf star The sun is the star at the center of ...

Using data collected by NASA's Parker Solar Probe during its closest approach to the sun, a University of Arizona-led ...

We know that the sun has entered its peak phase of activity, called solar maximum. But are we still in it, or is solar maximum already behind us? Let's see what the data has to say. However, the ...

The recent flurry of solar storms suggests the sun is in a period of maximal activity as part of its 11-year cycle. The active period is likely to continue over the next year, so more auroras could be ...

NASA's Parker Solar Probe has once again made history, completing its closest-ever approach to the sun on December 24, 2024. Hurtling through the solar corona at an astonishing 430,000 miles per hour ...

The sun has released several powerful M- and X-class solar flares over the past few days, resulting in radio blackouts around the world. When you purchase through links on our site, we may earn an ...

We look ahead to 2025 as the sun ramps up its activity, driven by the peak of the current solar cycle. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The colossal ball of hot gas at the center of our solar system will be lively for the next year, NASA said. The sun has reached its "solar maximum period," which is a state of heightened activity in ...

Visuals from the European Space Agency’s Solar Orbiter reveal chaotic solar magnetism in the solar polar region. Even better images are expected in the years ahead. By Jonathan O’Callaghan Spacecraft ...