The interstellar cloud of gas and dust—named for Australian-born astronomer Colin Stanley Gum, who cataloged 84 nebulae across the southern sky—is located about 3,600 light-years away from Earth, ...

The dry, wind-scoured inhospitable nature of central Utah's landscape may not immediately inspire visions of waterfalls, lush hanging gardens, or colorful fish swimming in warm, sapphire-blue waters.

Discover the vibrant underwater world with this stunning footage of coral reefs, sea turtles, and schools of colorful fish. Dive into the crystal-clear waters to witness the breathtaking marine life ...

With snorkel and mask and net in hand, Tyler Goodale plies the Current River, The Jacks Fork and and other Missouri streams at night, looking for living treasure. "Some of these small creeks around ...

Scientists analyzed the DNA of fish in the Galapagos Islands and discovered a colorful new species with white speckles, a study said. Photo from Getty / iStockphoto Swimming through the crystal blue ...

Harlequin rasboras are common, colorful aquarium fish that carry with them a slightly deceptive name. Once thought to be a type of rasbora fish, studies showed that they were different enough that ...