As the vernal equinox approaches on March 20, 2025, the night sky comes alive with a dazzling mix of celestial events, ...

Most of the time, the Earth and Sun’s magnetic fields are misaligned, leaving our planet’s field less open to the aurora-causing effects of the solar wind. However, towards the equinox, the two fields ...

Historical data shows that auroras occur more often during the spring and autumn equinox.

The lights move and change shape and color. Scientists attribute their vibrant colors to excited gases emitted in Earth's atmosphere; oxygen gives off the green color of the aurora. What Causes The ...

As the spring equinox approaches, northern lights hunters will scour the skies for breathtaking displays of color.