Scientists have beamed a laser into the sky, which was visible from miles around. The spectacle, known as The Beam, marked ...

The Circinus galaxy, a galaxy about 13 million light-years away, contains an active supermassive black hole that continues to ...

Physicists from Trinity College Dublin believe new insights into the behavior of light may offer a new means of solving one ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still ...

A pillar of light illuminated the sky in Oxfordshire as part of a birthday celebration for Harwell Science and Innovation Campus.

Solar physicists say they have found a key source of intense gamma rays unleashed when Earth’s nearest star produces its most ...

In 1845, physicist Michael Faraday provided the first direct evidence that electromagnetism and light are related. Now, it turns out that this connection is even stronger than Faraday imagined. In his ...