By using light to emulate the structure of space-time, researchers can better understand black holes – and the exotic objects that mimic them ...

Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the ...

This innovative approach sheds new light on the fundamental nature of light itself. The original double-slit experiment, conducted by Thomas Young in 1801, revealed that light behaves as a wave.

For one, scientists observe a "cosmic fossil" called the cosmic microwave background (CMB). The first light that was free to ...

How much light is in the universe? A lot. There, you can stop reading now. No, wait, stay. You should read the rest of this, because it's pretty fun.

The source of the light within the merger isn’t clear, but the scientists say knowing where the mysterious light is located in space could help solve the puzzle. Image source: udoikel09 / Adobe.

Scientists believe they may know what caused a strange bright blue flash from space nicknamed “the Cow” — a mystery that has baffled astronomers since its discovery in 2018, when it was ...

Light can be reflected not only in space but also in time—and researchers exploring such “time reflections” are finding a wealth of delightfully odd and useful effects ...

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...