The green glow of this polish should pull on your ’90s kid heart strings — think Nickelodeon slime or the glowy stars you stuck to your ceiling.

But what about the green glow of the radium-painted watches and night-time navigation instruments? Yes, from around 1913 to the 1960s, they did contain radium, and they did glow green.

Sky watchers only discovered the eerie green glow of mesospheric ghosts in 2019. As their full name suggests, these displays lurk above sprites, ...

WHEN you think of radioactive material, one would immediately associate it with a green glow. Take the opening sequence of The Simpsons animated series, for example, where the Homer Simpson, who ...

An eerie green glow has been seen on the night side of the Red Planet – sadly not from Martian streetlights, but it could light the way. It's surprisingly bright. Search ...

A green comet is whizzing past the earth for the first time since the ice age. The comet's head shines green, while its tail shines white. Scientists found out why it glows this way in 2021, and ...

The green glow is mainly located at altitudes of between 40 and 60 kilometers (25 to 37 miles) in the planet's polar regions. This is according to a study describing the phenomenon that has been ...