We welcomed new science and discoveries in 2018, but unfortunately, we also had to say goodbye to some important figures in the scientific community.

When you imagine a walrus, you probably picture it way smaller than it actually is. It’s because our brains meddle with our senses in more ways than you might expect.

Save the Vaquita Day is the first Saturday after the 4th of July, and it serves as a reminder that preventing extinctions means acting early.

The sun conure, a parrot species, is very social and has some fascinating features. Distinguishing between males and females, however, may come as a challenge.

Visayan warty pigs are critically endangered, so the birth of these energetic piglets is especially important.

Get to know this large marine mammal.

Learn all about Asian and African elephants, and how zookeepers integrate new elephants into the habitat.

Take a trip to the San Diego Zoo Safari Park and witness the fastest land animal accelerate from 0-60 in 3.4 seconds. Guess how long each stride is?

Meet another long-necked plant-eater from the African plain, whose name means "giraffe gazelle" in the Somali language.

See what happens when Pygmy hippos and Wolf's guenons interact in one of the world's few mixed species exhibits.

It's mom Kokomo's first baby - Winston - at the San Diego Zoo Safari Park since transferring from the Oklahoma City Zoo on breeding loan.

At one time, they roamed all throughout the southeastern U.S., but now the red wolf is the most endangered canid in the world.

Zookeepers are hoping they hit it off.

Why sharks need vitamins to supplement their diets - and how their handlers get the job done.

At the San Diego Zoo, zookeepers and researchers constantly gauge the pandas' behavior to see how well they're doing.

Friends can come in all shapes, sizes, and sometimes, even different species! Learn about Ruuxa the cheetah and Raina the dog, who after a medical emergency became an inseparable pair.

Learn all about these tiny tortoises from Madagascar.

Learn all about San Diego Zoo's expansion where you can be immersed in thousands upon thousands of butterflies.

Sometimes the koala joeys play switcheroo on their moms.

The species practices 'alloparenting,' which means every family members participates in raising the infant.

Aussie native Olivia Degn introduces you to some kangaroos and wallabies that people have traveled thousands of miles just to see.

From a giant, edible "50" to various fruit snacks... see how the keepers helped him celebrate his big day.

Decode the secret language of iguanas at San Diego Zoo's Anne and Kenneth Griffin Reptile Conservation Center.

It's uncharted territory for zookeepers, as this is the only Silverleaf Langer they've had to assist with rearing.