These glow-in-the-dark axolotls can regrow lost limbs — and scientists say studying them could eventually help humans do the same.

These glow-in-the-dark axolotls can regrow lost limbs — and studying them could eventually help humans do the same.

Glow-in-the dark firefly petunias sold out at Ruhlig Farms and Gardens in one day. The plants are bred with bioluminescent mushrooms.

Nights in Ankeny are a bit more colorful now that the city's new "glow trail" is open. Visitors can walk a 425-foot offshoot of the High Trestle Trail that has glow-in-the-dark pavement.

After dark, they glow again and become an electric art walk. Bioluminescent Bay, Krabi, Thailand Credit: Getty Images At Railay Bay, some nights feel like magic.

Dbrand has brought back its popular 'Robot' skin with a glow-in-the-dark twist, and I'm getting serious 90s flashbacks.

Petunias are a summer garden staple, but this one glows in the dark. "It's really kind of freaky," said Vicki Rabas of Larry's Bellevue Gardens.

The firefly petunias were invented by Light Bio. A group of bioengineers spliced the petunia’s DNA with bioluminescent mushrooms, creating the glow-in-the-dark plant.

A Massive, Glow-in-the-Dark Cloud Lurking in Our Cosmic Backyard The cloud, named Eos, is chock-full of molecular hydrogen and possibly rife with star-forming potential in the future.

Massive glow-in-the-dark cloud of star-forming gas found hiding near solar system Despite being 3,400 times the mass of the sun and just 300 light-years away, the hydrogen cloud had gone unnoticed ...

The entire flower glows, including its roots and leaves. This is made possible through bioluminescence, just like how certain mushrooms glow.