In fairness to the Perseverance rover, this is exactly what it was built for. Nicknamed Percy, the machine was sent to Jezero crater, the remains of an ancient riverbed. If life ever existed on Mars, Jezero is the sort of place we might expect to find it.

An uncrewed Northrop Grumman-built spacecraft in orbit experienced an issue with its main engine on Tuesday while attempting to reach the International Space Station to deliver scientific supplies, NASA said,