Space agency
European Space Agency
Every Cosmic Herald story on European Space Agency — missions, launches, discoveries, and the business of space, newest first.
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2026-07-16latest coverage
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Stargazing
Saturn's rings are nearly edge-on. Here's why that's worth watching.
Saturn's rings appear to open and close as the planet orbits the Sun, presenting a full face every fifteen years or so — and then nearly vanishing as they tilt edge-on. We are approaching one of those disappearing acts. Understanding the geometry, and how to watch it unfold, makes an ordinary telescope into a front-row seat for orbital mechanics.
