True blue is one of nature's rarest tricks, and the animals that pull it off range from tiny ocean drifters that steal venom ...

More than 7000 metres beneath the ocean’s surface in a trench off the western coast of South America, a bright blue fish swims in endless darkness. The species has now been described by scientists for ...

Blood is synonymous with bright red or deep maroon, but it certainly doesn’t generally bring to mind shades of blue. But ...

This breathtaking aerial view captures La Paz Island in Baja California Sur, where rolling golden sand dunes stretch toward the deep blue ocean. The unique meeting of desert and sea creates a rare and ...