At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings.

Bright and dazzling, waves radiating rainbow colors sweep across the northern skies of Sweden, displaying beautiful hues. Known as "nacreous clouds" or "mother-of-pearl clouds," these clouds are a ...

With so many little critters running around Friendship Island, a guide is a must! Critters can be found in every area, each ...

Fire rainbows require specific conditions: cirrus clouds and sunlight at least 58° high in the sky. They're most visible in ...

A moon dog occurs at night in the winter when the moon is full, or near full, casting light through high clouds.

Ball Lightning Imagine seeing a glowing sphere floating through the sky during a thunderstorm. That's ball lightning, a ...

Halos are often the result of ice crystals in cirrus clouds. When moon or sunlight shines through these crystals, the light ...

Rainbows Rainbows are one of nature's most enchanting spectacles, forming beautiful arcs of color in the sky. They occur when ...

Protesters gathered in the Navajo capital to raise awareness of what they said were threats to their freedoms.

We have been very lucky to have some perfect powder days in Summit this winter. Recently, we have all complained about the ...