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 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 ...

The last decade of Elizabeth Madin’s work began with one day of terrible weather. In 2010 she and her husband, Joshua, both ecologists, flew to Heron Island in Australia to study how fishing ...

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 ...

A new study published inThe American Naturalist sheds light on the peculiar phenomenon of “grazing halos”—ghostly, vegetation-free rings surrounding coral reefs that are clearly visible in satellite ...