The stunning, patchy fur of tortoiseshell cats reveals a fascinating genetic story. Female cats have two X chromosomes, which means they can carry genes for both black and orange fur colors.

The prospects were bleak for a sick and abandoned kitten until a kindhearted hiker showed up to save the day. The dark tortoiseshell cat, which was around 10 weeks old, was sheltering under a bramble ...

The "tiny," one-pound kitten, named Cinder, is a "male tortoiseshell cat that is also a hermaphrodite," the Humane Society of Central Oregon (HSCO) shared in a Facebook post, along with photos of ...

He shared the evidence in a March 27 Reddit post to the subreddit channel r/cats, which showed "It was the FLOOF." A long-haired tortoiseshell cat named Smudge, who looked to have a mane ...

The Oscar-winning animated movie "Flow," which stars a black kitty, may be causing an increase in black cat adoptions. Superstitions about bad luck have often caused these felines to be overlooked.

The dark tortoiseshell kitten was struggling to walk and appeared to be suffering from potentially fatal cat flu. The video shows Billy, an air engineer with the Royal Navy stationed at RNAS ...

The dark tortoiseshell cat, which was around 10 weeks old, was sheltering under a bramble bush on the barren cliffs above Porthcurno Beach in southwest England when she was found by cat-loving ...