For the first time, physicists have simulated what objects moving near the speed of light would look like — an optical ...

The hyperdrive from Star Wars appears to depict an ultra-relativistic motion through space, extremely close to the speed of light. Under the laws of relativity, you neither reach nor exceed the speed ...

The depths of the Earth still hold many surprises. A team of scientists has discovered that objects move horizontally in the Earth's mantle, nearly 1,864 miles (3,000 km) beneath our feet. This ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. If there's one thing we've experimentally determined to be a constant ...

Visual motion is an important source of information for separating objects from their backgrounds. A spider camouflaged against a branch, for instance, immediately loses its invisibility once it ...