The sky is always changing colors—from a bright blue on a clear day, to red and orange sunrises or sunsets, or multiple ...

The quirks of light moving through gas are the cause of stellar twinkling, which can be a bane—and sometimes a boon—for ...

The Mark Abbott Memorial Lighthouse in Santa Cruz is darkened by a cloud's shadow Monday afternoon as a rainbow colors the ...

As instrument commissioning and calibration checks continue for NASA's newly launched PUNCH (Polarimeter to Unify the Corona ...

Check out this beautiful photo of nacreous clouds, also known as rainbow clouds, from southern Indiana. Here's how the ...

Baker saw the rainbow as a natural flag from the sky, so he adopted eight colors for the stripes, each with its own meaning: hot pink for sex, red for life, orange for healing, yellow for sunlight, ...