Nasa’s mission to a far-away ‘golden asteroid’. Could it be the core of a long-dead planet? Researchers in Canada issue ‘superbug’ warning about sewage bacteria. Instagram apologises for spooky Halloween outage on the app. Plus:

• The UK’s getting a brand new rocket launchpad by Orbex
• A newly discovered species of owl
• Why Rhinos' horns have gradually shrunk over the last 100 years
• Trees incorporated into farming could help the sector achieve net zero
• Reports a future update to GTA online will let players make their own music in the game

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