Scientists achieve first complete assembly of human X chromosome

Although the current human reference genome is the most accurate and complete vertebrate genome ever produced, there are still gaps in the DNA sequence, even after two decades of improvements. Now, for the first time, scientists ...

Unknown species discovered on deep-sea expedition

Transparent sea cucumbers, bowl-shaped sponges, and pink sea pigs are some of the fascinating animals discovered during a deep-sea expedition to the Pacific Ocean.

Is it a bird? Is it a plane? No, it's a squid

A species of oceanic squid can fly more than 30 metres (100 feet) through the air at speeds faster than Usain Bolt if it wants to escape predators, Japanese researchers said Friday.

Shift in diet allowed gray wolves to survive ice-age extinction

Gray wolves are among the largest predators to have survived the extinction at the end of the last ice age around11,700 years ago. Today, they can be found roaming Yukon's boreal forest and tundra, with caribou and moose ...

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