Gayla Peevey, at age 10, recorded the holiday hit "I Want a Hippopotamus for Christmas" in 1953, leading to a successful ...

Avio will build solid rocket motors in Virginia. The governor of Virginia, Glenn Youngkin, announced Wednesday that Avio USA ...

The iconic "Hungry Hippo" fairing that Rocket Lab will attach atop its Neutron reusable rocket next year has finished with ...

Milwaukee County Zoo opened its new rhino and hippo habitat Dec. 5, completing its Adventure Africa project, a $50 million ...

Rocket Lab is getting ready to take a bigger bite out of the space launch market. The company recently completed final ...

Rocket Lab’s latest milestone on its path to a reusable medium-lift rocket is not a booster landing, but a nose cone that ...

Collective "awwws" can be heard around the world as the most famous family of hippos welcomed a baby calf at the Cincinnati Zoo and Botanical Garden. Until the 60-pound bundle of joy arrived, the ...

Space outfit Rocket Lab says its Hungry Hippo is ready to go into space, a fillip for the company’s plans to fly its new ...

A rumor that hippopotamus milk is pink has been spreading on the internet for many years — and the idea gained traction when National Geographic posted about it on its Facebook page. But is hippo ...

First things first: the two-year-old boy who was attacked by a hippopotamus in Uganda was saved and had a full recovery, police say. But they also say the hippo had the boy in its jaws — with the ...

Rocket Lab's reusable "Hungry Hippo" fairing has passed qualification tests, bringing the Neutron rocket closer to its first ...