Thought to be extinct in the wild, the Spix Macaw currently exists in captivity with their numbers in the dismally low 60 to ...

Explore the wild heart of Alaska in Katmai National Park, home to world-famous brown bears, massive salmon runs, moose, ...

Photographer Gerrard Gethings searched the UK for human-dog pairings. After doing a similar project with cats, he's now working on a new series.

From penguins to bonobos, queer behaviors in wildlife are natural and diverse. Learn how animals challenge human taboos and ...

UCL scientists found that human skulls evolved much faster than those of other apes, reflecting the powerful forces driving ...

The first ever transplantation of a pig's liver into a living person helps us better understand how animal organs can be used ...

New UNSW research confirms that in the battle for survival, some animals win not with brawn, but with bling, putting to bed a debate that has puzzled generations of scientists. The study is published ...

Humans aren’t the only animals with hot tempers. In 2016, ecologist Kristen Cecala and a colleague watched black-bellied salamanders (Desmognathus amphileucus) from Appalachian streams lunge at one ...

The Atlantic Daily, a newsletter that guides you through the biggest stories of the day, helps you discover new ideas, and recommends the best in culture. Sign up for it here. Charles Darwin once ...

Listen to more stories on the Noa app. Charles Darwin once noted that natural selection tends to preserve traits that conceal an animal in nature. It can paint camouflage onto their bodies with ...

In the largest study of its kind, scientists have accurately documented the massive change in animal morphology over the last 1,000 years, with domesticated animals growing larger across the board and ...

DEAR DR. ROACH: I read that in the 1700s, animal blood was transfused into humans to cure syphilis. Is this true? -- T.U. ANSWER: The story is a bit more complicated. Transfusion from animals into ...