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Ridley Scott’s most controversial movie officially rewrote Alien’s canon

Thanks to the prequel's controversial changes to Alien's canon, Ridley Scott's most divisive franchise entry left some major ...

New 'Mars GPS' System Frees Perseverance Rover From NASA's Delayed Control

Mars Global Localization (MGL), a tech similar to GPS on Earth, lets Perseverance nail down its coordinates to about 10 inches.