At times, the sun ejects energetic material into space, which can have consequences for space-based and even ground-based ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

The sun’s outer atmosphere resembles a pufferfish.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Our solar system has been around for 4.6 billion years. While that sounds like a long time, it's ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. To us everything seems normal. Our planet, blue and bursting ...