Dark matter, widely known as the universe's most mysterious stuff, is rarer on Earth than gold — and that's despite the fact that dark matter outweighs "ordinary matter" by a staggering ratio of ...

The show borrows its name from a celebrated 16th-century Flemish tapestry cycle ... in the royal collection were burnt for their gold and silver threads to help finance the state amid the turmoil.

Well, because the Bayeux Tapestry ... a dark room with special lighting, so you can see every detail. Though it's described as a tapestry, it is actually linen cloth embroidered with wool thread.

Some Catholic priests wore vestments woven from gold thread, to signal their godly status. There’s a stunning embroidered example from the mid-18th century; in the church’s dark candlelight it ...

Inside was a treasure trove of 598 gold coins, neatly organized into columns and wrapped in black fabric, said Miroslav Novak, the head of the archaeological department of the Museum of Eastern ...