Light is crucial for vision. It bounces off objects and enters your eyes, which allows you to see. But sometimes, it’s the source of vision problems, like halos or glare. Halos are bright circles that ...

Seeing halos around light sources can be a typical response to bright lights but can also occur with eye disorders, especially if you experience additional symptoms, like pain or blurriness. Seeing ...

Halos are faint white rings that show up in the sky both around the sun and moon. According to weather lore, halos have been thought to signal wet weather on the way as indicated in the phrase "a ring ...

For the first time in the history of observations, scientists from the Helsinki and Ural Federal Universities, Jarmo Moilanen and Maria Gritsevich, have systematized information about all forms of ...

For the first time in almost 5,000 years of observations, researchers have fully cataloged optical illusions created in the sky as light shines through ice crystals known as atmospheric halos. The ...

Dark matter and its impact on cosmology have puzzled physicists for nearly a century. At Perimeter Institute, two researchers ...

Astronomers at the Center for Astrophysics | Harvard & Smithsonian have proposed a new explanation for some of the universe's most puzzling early galaxies, nicknamed "little red dots." Subscribe to ...

Coral reef halos, also known as grazing halos or sand halos, are bands of bare, sandy seafloor that surround coral patch reefs. These features, clearly-visible from satellite imagery, may provide a ...