When you buy through links on our articles, Future and its syndication partners may earn a commission. The sun, imaged on Sept. 10, 2025 in ultraviolet light, showing plenty of activity. | Credit: ...

At the end of the last solar cycle in 2019, the official predictions were that the next cycle would be just as mild as its predecessor. Those predictions were wrong. The current Solar Cycle 25 turned ...

Here’s what you’ll learn when you read this story: The swirling ball of hydrogen and helium gas known as the Sun is a fiery cauldron responsible for all life on Earth, but it can also be a source of ...