Why is our "pale blue dot" blue at all? Is it the skies? The oceans? Or something else entirely? The answer will probably surprise you, and definitely isn't what you were taught!

In 1990, Voyager 1 captured the most distant portrait of our planet ever taken, revealing that from beyond Pluto's orbit, Earth appears as nothing more than a "pale blue dot."In a new study ...

The blue light scatters into space as well, and thus to external observers. Earth's white clouds boost reflectivity at all wavelengths, diluting the intensity of the Rayleigh scattering.

The fur of Australia’s iconic oddity fluoresces under ultraviolet light This platypus specimen glows blue-green under ultraviolet light. Biologists are still pondering what function, if any ...

An astronaut onboard the ISS recently captured a peculiar image of Earth with two unrelated blue blobs of light shining in the planet's atmosphere. When you purchase through links on our site, we ...

“For the X-Men, two of the above examples could actually explain how they get blue – humans don’t make chitin, so that’s out,” Spana says.

The "pale blue dot" has been twinkling like a brilliant diamond in satellite images, and scientists may have finally solved the mystery of why. Mysterious flashes of light from Earth were captured ...

Although it is common knowledge in modern times that the ocean is blue, billions of years ago it may have been green instead of blue. A team from Nagoya University proposed the 'green ocean ...

Thirty years ago today, humanity got a chance to see itself in a whole new light. On Feb. 14, 1990, NASA's Voyager 1 probe snapped a photo of Earth from 3.7 billion miles (6 billion kilometers ...

That’s right – according to new research, the earliest oceans on Earth weren’t blue at all, ... when meant that more green light was able to pass through and the oceans appeared green.

Most of of us think Planet Earth looks blue from up in space. But new shots from a European Space Agency satellite show the globe looks pretty and PINK. The astonising image above was captured by ...