As the night sky became polluted with light from electrified cities, people built planetariums. Today, they’re more ...

The study reveals how humans use their eyes to communicate nonverbally. In the future, this line of research could lead to a ...

It’s payback time. For years, humans have been imagining what robots look like — now, the machines are flipping the script.

Despite its dry, dusty surface and thinner atmosphere, Mars may have more in common with Earth than scientists previously ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?