Hi there! I'm sorry to hear that the Telegraph app is crashing back to the home page while you're reading articles. I can help you troubleshoot this issue. Let's start with a couple of simple steps to see if we can resolve it.

1. Update the App: First, make sure that you have the latest version of the Telegraph app installed. To check for updates:
- Open the App Store on your Mac.
- Search for the Telegraph app.
- If an update is available, click "Update."

2. Restart the App: Close the Telegraph app completely and then reopen it. You can do this by right-clicking on the app icon in the dock and selecting "Quit," or you can use the shortcut Command + Q.

3. Clear Cache and Data: Sometimes, clearing the app's cache can help resolve crashing issues. Unfortunately, it’s a bit limited on Mac compared to mobile platforms, but you can try to reset preferences:
- Navigate to ~/Library/Containers/com.telegraph.app/Data/Library/Preferences.
- Look for any files related to the Telegraph app and move them to the trash.
- Restart the app to see if the issue is resolved.

4. Check for System Updates: Make sure your macOS is up-to-date:
- Go to the Apple menu on your Mac.
- Select "System Preferences" and then "Software Update."
- Install any available updates.

If you’ve tried all these steps and the app continues to crash, it might help to uninstall and then reinstall the app:

5. Reinstall the App:
- Move the Telegraph app to the Trash.
- Open the App Store, search for the Telegraph app, and reinstall it.

Please let me know if any of these steps help or if the problem persists. I'm here to assist you further!