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.

Australians were in for a Mother’s Day treat as auroras swept the skies. But there was little warning, and the spectacle didn’t repeat.

Viral headlines would have you think Saturn’s rings will vanish in just 18 months. Here’s what that really means and why you don’t need to worry.