When we think about orbits, we usually picture the Earth zooming around the sun. But does the sun just sit there? Or is it on its own journey? I asked my friend Guy Worthey. He’s a space scientist at ...

We live in changing times. While we once flippantly threw villains to the lions, now we seek to fire them into the sun.

Tossing a bad guy into the Sun sounds simple enough, but orbital mechanics make it a far trickier task than you'd expect.

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...

The Sun's activity is what gives us beautiful auroras — but it also has dramatic negative effects on satellites that go around Earth in a low orbit. When you purchase through links on our site, we may ...

The fastest object ever built by humans will fly within a whisker of the sun today. The Parker Solar Probe will race past at 435,000mph as it studies the sun's surface and atmosphere. That's so fast ...