The mysterious arrival of a zoo anteater has some talking virgin birth, or parthenogenesis. See what other animals have babies without fathers.

Invasive Asian lady beetle kills off its competition with the help of a fungal parasite.

A Florida man found and killed a 18.8-foot Burmese python, which beats out the previous record-holding snake by a foot.

Vampire bats can identify other bats by their voices—just like people, a new study says.

The London Zoo recently put out a call to collectors that doubled as the animal version of a personals ad. The zoo was looking for females of the Mangarahara cichlid, a species of fish so rare that none are thought to exist in the wild, and one that is in critical danger of going extinct…

The greater wax moth evolved to hear better than any animal on Earth—all to avoid their nemesis, the bat, a new study says.

Female spiders are usually thought of as femme fatales—but male spiders of some species also eat their mates, a new study says.

Extreme size differences among animal sexes might give a matchmaker pause, but make good evolutionary sense, according to an author of a new book.

A team of researchers recently announced the discovery of Cyanogaster noctivaga, a brand new species of transparent fish that lives deep in the Amazon. Indeed, with its transparent skin and dazzling blue belly, the discovery constitutes an entirely new genus and, despite being very hard to see, has been given an eye-catching name that means…

A newfound fairyfly that’s 0.01 of a inch joins a crew of the world’s smallest, including a bumblebee bat and a mouse lemur.

The coral grouper communicates with other ocean predators to find prey—a surprising ability for a fish, a new study says.

If you thought the battle of the sexes was chaotic, meet Tetrahymena thermophila, whose genetic mysteries are finally being revealed.

Why Female Flies Eat Sperm

Female Ulidiid flies expel and eat ejaculate as a way to control who will father their offspring, a new study says.

This battery-powered rover has all the toughness of an abominable snowman, surveying undetected hazards at scientific-research sites in Greenland and Antarctica.

A rare Ethiopian primate called the gelada makes sounds like people—giving insights into the evolution of human speech.

People have been using manure as fertilizer for millennia. But scientists now believe they can turn human urine into liquid gold—as composting material.

Tadpoles bred with eyes surgically implanted in their tails still see—a novel discovery that could help the blind, a new study says.

Dolly Varden trout can expand their organs to more than two times their regular sizes, a new study says.

By Linda Poon April Fools’ Day is when people roll out their best pranks, tricks, and other shenanigans just for the sake of a good laugh. But compared with the tricksters of the animal kingdom, we’re all just amateurs. (Related: “April Fools’ Day Pictures: Seven Animal Hoaxes.”) For nature’s masters of deception, the use of…

Like real ants, artificial insects choose the shortest route home—giving insight into how people can better move and communicate, a new study says.

Fairy circles—circular patches of bare soil surrounded by a ring of grass—have long mystified scientists. Now there’s an answer.

Worms that eat dead whales at the bottom of the ocean also mate inside the bones, a new study shows for the first time.

Spring may be when a young man’s fancy turns to love, but new evidence suggests that it’s winter when his sperm is at its spunkiest.

Talk about a bottom feeder—the giant California sea cucumber uses its butt as a second mouth, a new study says.

A type of burrowing worm that lived 508 million years ago has solved an evolutionary puzzle, a new study says.