It's a blue jay! It's a green jay! It's a... grue jay? Learn why a hybrid bird spotted in Texas is making headlines across ...

Host Peter O'Dowd talks with Brian Stokes, graduate student in ecology, evolution and behavior at the University of Texas at ...

Look up on a clear sunny day and you will see a blue sky. But is this the true color of the sky? Or is it the only color of the sky? The answers are a little complicated, but they involve the nature ...

A third of U.S. rivers have significantly changed color over the last 36 years, turning from blue to yellow and green, striking new images reveal. Researchers analyzed 235,000 satellite images — taken ...

Learn more about what a star’s color means and while you’ll rarely see a twinkling green star in the night sky. Monica Cull is a Digital Editor/Writer for Discover Magazine who writes and edits ...

A glass filled with irregular layers of pink, blue, green sand, topped with cylindrical yellow shapes, blending order and ...

Michael J. I. Brown receives research funding from the Australian Research Council and Monash University. Matthew Kenworthy receives research funding from the Nederlandse Organisatie voor ...