Rainbows form when raindrops refract sunlight into a spectrum of colors. The brighter the sun, the clearer the rainbow.

Hawaii’s regular sunshine, short rain showers and clean air come together to create some of the planet’s best conditions for ...

Hawaii's sunshine, short rain showers and clean air together create some of the planet's best conditions for viewing rainbows.

Hawaii 's regular sunshine, short rain showers and clean air come together to create some of the planet's best conditions for ...

The enslavement of millions of Indigenous people in the Americas is a neglected chapter in U.S. history. Two projects aim to ...

Helicopters will transport researchers and their supplies in efforts to reduce crucial time away from fieldwork with the birds.

Gisele Bündchen and boyfriend Joaquim Valente took their romance to the next level when the couple welcomed their first child ...

Here is Sport's Illustrated's top 15 greatest women's soccer forwards of all time... Major Achievements: Six Serie A titles, ...

The buritis, or moriche palms, are fighting for their lives in the streambed now lined with scorched earth. For two years now ...

Caitlin Clark is returning to Iowa — this time to play an exhibition game with the Indiana Fever. The Fever will take on the ...

A driver believes she heard the gunfire during an apparent road rage incident that killed a tractor-trailer driver along ...