A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

The phase and the group velocity of light propagating in conventional optical media cannot exceed the speed of light in ...

The mathematics of hypersonic flight primarily involves fluid dynamics, thermodynamics, and gas dynamics, particularly ...

The best smoke detector can provide an important first line of defense from fire. We recently put the top smoke detectors to the test. See which ones performed best.

Matteo Luisi, assistant professor of physics and director of the planetarium and observatory at Westminster College, has been ...