This video shows a vibrant coral reef filled with small colorful fish swimming freely in clear blue water. The natural movement and variety of marine life create a calm and visually rich underwater ...

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, ...

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 ...