On Christmas Day 2020, a private pilot and amateur photographer, Gabe Zeifman, flew over Area 51 to take over 1,000 photos and videos for his YouTube channel. In some of the footage, a black, triangle ...

A new analysis of hundreds of obsidian artifacts from the Aztec Empire has revealed the vast trade networks that supplied ...

Our ability to store information about familiar objects depends on the connection between visual and language-processing ...

A serendipitous observation in a Chemical Engineering lab at Penn Engineering has led to a surprising discovery: a new class of nanostructured materials that can pull water from the air, collect it in ...

The British artist, whose early lead works are on display at a London gallery, explains the discoveries that drew him to ...

Artists and scientists have been creating optical illusions for centuries. Here are 35 mind-bending examples that prove you ...

Equus How did horses become some of the greatest athletes in the animal kingdom? Researchers at Johns Hopkins Medicine have pinpointed a genetic mutation and evolutionary process that occurred ...

This file defines 3D masks for applying chamfers, roundovers, and teardrop roundovers to straight edges and circular edges in three dimensions.