A subtle timing flash may expose the Unruh effect. The approach ties ordinary lab tools to deep quantum physics. Researchers ...

The United Kingdom has quietly brought a piece of science fiction into operational reality, field‑testing a high‑energy laser ...

Astronomer Jocelyn Bell Burnell detected a strange signal from outer space that would lead to the discovery of the radio ...

Physicists tested light speed using cosmic gamma-ray bursts. Study confirms Einstein's prediction that all light colors travel at same speed.

Among its many uses, generative AI can now create practice questions. But can these questions aid learning, and how do they ...

Physicists have demonstrated with unprecedented accuracy that the speed of light remains constant. In 1887, a landmark physics experiment was carried out by American researchers Michelson and Morley.

The effect, first predicted over 60 years ago and regarding objects traveling near the speed of light, has been lent support ...

It takes light a single day to travel 16 billion miles. The Voyager 1 probe will need a little longer, just 49 years.

Using a precisely aligned pair of laser beams, scientists can now hold a single aerosol particle in place and monitor how it ...