According to English Heritage, the Altar Stone is a large slab of greenish Old Red Sandstone. Recent geological research had ...

USS Yorktown (CV-5)—an aircraft carrier commissioned in September 1937 and sunk in October 1942—was equipped with 24 Oerlikon ...

Described as a kind of blue-green, the new color—named “olo”—can only be seen using lasers to manipulate certain ...

A collection of 6,500-year-old wooden dart tips found deep within a Texas cave were likely, at one point in their usage, ...

Researchers at the University of Waterloo and Weber Sate University have tackled a pressing issue in public bathrooms around the globe: urinal splashback. They designed two new urinals, called the ...

From sleep tech to portable power stations, we found the best eco-conscious products PopMech readers will love.

The U.S. is losing the hypersonic arms race to China—but a formidable, new weapon could change the game. When the U.S. Navy’s ...

This spring’s best equipment for your yard and garden.

When it comes to wristwatches, few styles balance beauty with durability as well as the field watch. Originally designed for ...

Archaeologists uncovered hidden inscriptions and graffiti left by medieval pilgrims on the walls of the Cenacle, the site of ...

This idea puts a morbid twist on quantum theory, suggesting that a copy of you may remain alive, no matter what.

Scientists have pondered why Mars seemed to be missing sufficient carbonates indicative of its warm, wet past. Now, NASA’s ...