More than 40,000 years ago, Ice Age humans were carving repeated patterns of dots, lines, and crosses into tools and small ivory figurines. A new computational study of more than 3,000 of these ...

In the pursuit of space exploration, humans have broken records that were previously thought impossible. At the same time, terrible accidents have marred the history of space flight, making later ...

To estimate the weight of a rock, you pick it up. Is it rough, or smooth? You run a finger over it. We're constantly gathering information through our sense of touch, which is closely connected to how ...