Astrophysicists found that Betelgeuse was yellow-orange some 2,000 years ago. Compared to its current age – 14 million years old – the color transition is relative rapid for astronomical time-scales.

This Shaggy Deep-Sea Creature Looks Like an Undulating Wad of Orange Spaghetti

Zapping orange peel oil into new, pleasant aroma compounds

Agent Orange: A Potent Herbicide with Damaging Health Effects

Inbreeding and Families: How To Save Australia’s Orange-Bellied Parrot

Researchers: Mosquitoes — after detecting a telltale gas that we exhale — fly toward specific colours, including red, orange, black and cyan; they ignore green, purple, blue and white

Why are tigers orange?

Calls For State Help As Florida Orange Crop Expected To Reach Record Low [Infographic]

Blue Moon: Discover Your Two 15-Minute Windows To Watch This Weekend’s Moonrise (And Why It Will Glow Orange, Not Blue)

Friday's full Buck Moon may be an eerie orange. Here's how to spot it.

Sticky orange coating on a 6,000-year-old Yukon dart came from a beaver's anal sac

Scientists shed light on the mechanism of photoactivation of the orange carotenoid protein

Lemon trees showed less response to citrus greening disease pathogen than orange trees

Endearing orange-faced peacock spider looks like 'Nemo' (and dances)

Record-Breaking Sandstorm Chokes Beijing in a Surreal Veil of Orange Dust

Orange veil of dust chokes Beijing in record-breaking sandstorm

Springhares Glow Orange and Red under Ultraviolet Light

Weird rodent glows under UV light with disco swirls of pink and orange

Nearby Orange Dwarf Hosts Unique System of Six Planets

A new orange and black bat species is always ready for Halloween