The electric vehicle maker posted a 36% decline in deliveries year over year. Tariffs will increase costs as Rivian has a supply chain in Canada and Mexico. All of Rivian's focus going forward ...

The Panzerkampfwagen VIII Maus was a WWII engineering marvel - and a massive failure. Weighing 188 tons, it was the heaviest tank ever constructed. But its size made it nearly immobile ...