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

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 ...

The Firefly Gen 2 can change colors for other purposes as well. It can be set to glow green when you’re waiting for a delivery or a rideshare pickup, for instance. At other times, the numbers ...