Researchers tagged mouse RNA with the enzyme that makes fireflies glow, in hopes of better understanding how viruses and ...

The players behind Firefly, a glow-in-the-dark petunia, share the backstory behind this illuminating discovery and how they ...

While only a few species of squids are able to light up, the firefly squid is a spectacular exception. These tiny animals, measuring about 3 inches long, spend their winter living in the deep sea.

Firefly's "Blue Moon" and ispace's "Resilience" are the latest in an ongoing push to gain private-sector experience exploring the moon.

Most Minecraft mobs are fairly easy to spot from far away since they’re around the same size as you. But one mob is so small you might walk right past it without even realizing it. Fireflies are just ...