With the addition of single-celled organisms, microscopic bacteria, and archaea, new estimates place the number of living species well over the 5.6 million identified databases.
Male Darwin's Bark Spiders, who are 14 times smaller than the gigantic females, routinely salivate onto female arachnid genitalia, pre-, during, and post-copulation.
From Michael Jackson's chimp Bubbles to Elvis Presley's kangaroo, here are five celebrity pets that have the same celebrity status like their famous owners.
In a hockey match between the San Jose Sharks and the Nashville Predators, a stray cat's presence ends up becoming a blessing, and the video goes viral.
Birds' survival largely depends on their nesting materials, and in this viral video, one bird decided to use fur from a sleeping canine.
Witnesses of the brutal incident on Salt Pond Beach in Kauai claim they saw the 19-year-old local incessantly throwing punches while the seal tried to dodge the blows.
Stone marten gnawed through a transformer wire of CERN's Large Hadron Collider, resulting in a major failure of the world's biggest and most capable particle collider, and instantly killing the weasel-like animal.
Researchers found that Australian bearded dragon lizards also experience Rapid Eye Movement (REM) sleep and slow-wave sleep suggesting that dreaming must have evolved earlier than what the scientist have previously thought.
As waters turn warmer and oxygen levels decrease, marine animals and plant life may cease to thrive by 2030, especially in deeper sea levels.
Viewers of the nest cam livestream were surprised to see bald eagles feed a cat to their young, but it is a reminder that this is a normal way of nature, which is not always delicate or pretty.
Conservationist Sacha Dench will undertake a 4,500-mile flight with migrating Bewick's swans in September to find out why their numbers have been plummeting in the past two decades.
Another reason why dogs are indeed man's best friends: researchers from the University of Missouri and Miami University discovered that seniors get health benefits from the bonds they form with their doggy companions.
Rare Boto dolphins in the Amazon have adapted to their environment by turning a shade of pink, while the endangered Taiwanese humpback dolphin naturally matures into a light color.
A mother and daughter were arrested after dozens of cats living in their filthy minivan were found by police in Atlanta, Georgia.
An elephant used for tours in Cambodia died the other day due to exhaustion and heatstroke. Because of this, tour operators are vowing to lessen working hours for these elephants.