Science and philosophy explain why a color is objectively real, even when people see the same shade differently.

NASA astronaut Matthew Dominick captured this amazing view from the International Space Station using a new 15mm lens (T1.8, 1/3s exposure) that was delivered on a recent Cygnus cargo ship. Credit: ...

There are blue paint colors, there are green paint colors - and then there are the ones that live somewhere in between. This ...

Moved by the views of Earth below, pop star Katy Perry couldn't resist singing "What a Wonderful World" in space.

For over 400 years, sailors have reported a mysterious phenomenon in which the ocean appears to glow as far as the eye can ...

This special lunar event marks the smallest full moon of 2025, occurring when our lunar companion reaches its farthest point from Earth. Experts say the spectacular pairing of the micromoon with the ...

But the oceans on Earth were not always blue. Billions of years before the oceans shimmered with deep blues, they may have glowed a very different hue — green. A new study, published in journal Nature ...

There was a meeting of blue and green at the latest graduation from the Police Dog Training Centre (DTC) at Trentham. Alongside six new Police patrol dog teams at the ceremony on 27 March were ...

Blue Moon’s exploration program for Sulitjelma project is designed to expand known mineralized zones and enhance MRE confidence through a systematic approach to drilling. A key component of the ...

The presence of blue-green algae in Martray Lough near Ballygawley is "disheartening", the Department for Agriculture, Environment and Rural Affairs (Daera) has said. With the recent good weather ...