The photoelectric effect, first explained in 1905, transformed our understanding of how light interacts with matter. When ...

The discovery, made with the LOFAR (LOw Frequency ARray) radio instrument in Europe, indicates that galaxy clusters, which ...

LOFAR is a massive radio telescope that comprises 100,000 antennas spread across eight European countries. The researchers ...

A faint radio glow reveals a million-light-year halo enveloping one of the earliest galaxy clusters, hinting that energetic ...

However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...

Let’s keep things light this month, shall we? Some of the fun offerings on Seattle stages this summer include circus arts, a ...

Pulmonary fibrosis, a condition causing lung scarring and breathing difficulties, has no cure, but its symptoms can be ...

Turning off the lights and other electric appliances when you aren't using them is one of the most basic steps you can take ...

While low-energy light is abundant and harmless, many technical applications from solar power generation to medical treatments rely on high-energy light.

A cloud of high-energy particles surrounding a distant galaxy cluster offers a rare glimpse into the forces shaping the early ...

While low-energy light is abundant and harmless, many technical applications from solar power generation to medical treatments rely on high-energy light.

Astronomers have discovered the most distant mini-halo ever seen—10 billion light-years away—revealing that galaxy clusters ...