Catnip contains nepetalactone, an essential oil found in the catnip plant. Here's how it affects your cat and why it makes them feel so good.

Catnip contains nepetalactone, an essential oil found in the catnip plant. Here's how it affects your cat and why it makes them feel so good.

There's a very scientific reason cats go wild for catnip, and it's all about smell.

There's a very scientific reason cats go wild for catnip, and it's all about smell.

Why do we think it's OK to give concentrated catnip to intoxicate a pet, and then be amused by the 'intoxicated' behavior?

Cats on catnip are clearly having a wonderful time – but does it get them high? Our vet explains more… ...

Catnip can drive kitties of all sizes a little crazy, and its effects have led feline lovers to wonder what makes this little green plant so attractive to them.

"With other cats, I use treats to make them a model for me and sometimes I also like to use kitty drugs like valerian, catnip, or silver vine.

Catnip turns fearsome felines into drooling balls of fluff. But how? This week, Science with Sam explains why cats love catnip ...

A new study finds that the feline reaction to catnip and silver vine helps to stave off mosquitoes and other bloodsucking insects.

Cats can look pretty wild when they’re on a catnip high – and photographer Andrew Marttila has spent the last six years capturing those crazy moments.