Cats are not native to Australia, but they have invaded nearly every corner of the country. She gestured out the window at the dusty, red expanse, which bore few signs of life.

A tiny but deadly species of cat appears to be inbreeding at an "alarming" rate, putting the threatened feline at a heightened risk of a rare, deadly disease, scientists have discovered.

In many parts of Australia, municipalities are instituting cat curfews or restricting free-range roaming altogether over fears that felines pose a threat to the country’s wildlife, including ...

The predicament is not specific to Australia. One study estimated that stray and outdoor pet cats in the U.S. kill between 1.3 and 4 billion birds and between 6.3 and 22.3 billion mammals in the ...

An implant that makes Australian animals lethally poisonous to cats that prey on them could help save species on the verge of extinction. Cats have had a devastating impact on Australia’s ...