NASA

Solar Eclipse vs. Lunar Eclipse: Key Differences, Safety Rules and How to Watch

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Comparison of a solar eclipse with the Moon covering the Sun and a lunar eclipse with Earth's shadow darkening the Moon

A solar eclipse and a lunar eclipse are two of the most fascinating events in the night sky. Both happen when the Sun, Earth, and Moon line up in a particular way, but the way they occur—and how we can safely watch them—is very different. During a solar eclipse, the Moon moves between Earth and … Read more

What Is a Solar Storm? Why Solar Activity Is Trending and What It Means for Earth

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Solar storm erupting from the Sun toward Earth with aurora and magnetic field

The Sun may look calm from Earth, but it is constantly changing. Sometimes, enormous bursts of energy and solar material erupt from its surface and travel through space. When this activity reaches Earth, it can affect our planet’s magnetic environment, satellites, radio communications, navigation systems and even power infrastructure. These events are commonly described as … Read more