If the number of satellites in Earth's orbit exceeds 100,000, humanity may lose its ability to study the universe from the planet's surface.

In horror movies, music is a dead giveaway. Tension builds with each note, and you brace for the inevitable jump scare. The same sense of anticipation has taken a leading role in an unlikely venue: a ...

As humans, our eyes take in two-dimensional images that our brains convert to three-dimensional experiences. This ability enables us to be aware of our position in space, judge distances, possess ...