Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The oldest known ...

The tombstone was made of “white bronze,” a “fancy name” for zinc carbonate, a metal used to make tombstones from the mid-1890s through 1910, Houghton said. The tombstone was erected many ...

At the time of writing this article, we’re 15 days away from the Tombstone 4K Steelbook release date, and pre-orders are already in short supply. Amazon is currently out of stock (though more ...