New claims challenge inconsistencies in one of the foundational principles of physics. Albert Einstein postulated in his 1905 ...

Light normally spreads out rapidly in all directions; a laser coheres the light in a narrow beam. The key to producing this ...

Voyager 1, NASA’s deep-space probe, could soon become the first spacecraft to reach a historic milestone. In November 2026, the probe will be one light-day from Earth. Launched in 1977, Voyager 1 is ...

Scientists have unveiled a groundbreaking discovery: a material capable of bending light in unprecedented ways. This advancement opens up possibilities for innovations in optics, including superlenses ...

In 1845, Michael Faraday discovered what’s known today as the Faraday Effect—which describes how light and electromagnetism are related. A new study revealed that the magnetic component of light ...

The most distant, nearly invisible dormant black hole has been detected and "weighed" by an international team of astronomers ...

This article was originally featured on The Conversation. For most of human history, the stars blazed in an otherwise dark night sky. But starting around the Industrial Revolution, as artificial light ...