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 ...

Do you find magic in rainbows? These colorful arches in the sky are also fun in recipes and crafts to help color our world ...

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