Test your knowledge on the giant ball of burning gas at the heart of the solar system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sun is ...

Back in 2019, a consortium of scientists predicted August 2025 as the peak of the solar activity cycle. But where are we now? When you purchase through links on our site, we may earn an affiliate ...

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar maximum — is when sunspots, solar flares and coronal mass ejections (CMEs) ...

After solar activity spent several decades on the decrease, the number of sunspots, flares and coronal mass ejections is once again on the increase. When you purchase through links on our site, we may ...

"Parker Solar Probe has once again transported us into the dynamic atmosphere of our closest star." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

NASA’s Parker Solar Probe has directly observed magnetic reconnection in the Sun’s atmosphere for the first time, confirming decades-old theories about solar explosions. This discovery bridges ...

Massive stars do not live long. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. There are several candidates for the biggest star in the universe ...

Editor’s note: “Behind the News” is the product of Sun staff assisted by the Sun’s AI lab, which includes a variety of tools such as Anthropic’s Claude, Perplexity AI, Google Gemini and ChatGPT. In ...

Earth is at its farthest point from the sun on July 3. So why are temperatures so high across the U.S.? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The find represents the first clear detection of a baby planet taking shape within a disc of dust and gas with multiple rings. The ground-breaking discovery was made using European Southern ...

At the Northern Hemisphere’s winter solstice the upper half of the Earth is at its furthest lean away from the sun — leading to the shortest day and longest night of the year. The winter solstice ...