About 500 million years ago, not a single creature had a skull. Over time, these bony plates evolved into the structural marvels that vertebrates—animals with spinal cords, aka you, me, and your pug, ...

Thousands of alien species could invade the Arctic, warns a new study. Warmer temperatures and more tourists make it easier ...

WARSAW, Poland (AP) — A respected Polish scientific institute has classified domestic cats as an “invasive alien species,” citing the damage they cause to birds and other wildlife. Some cat lovers ...

An infographic showing the average declines in abundance of key terrestrial insect groups due to invasive alien species. The extent of declines varies across species and regions. Insects are often ...

So far, Hulu’s Alien: Earth has been fascinating. Fans believe that the best part of the series is the introduction of new species in the show. While Xenomorphs and Facehuggers make a return, viewers ...

More than 2500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway ...

More than 2,500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway is one of the areas that is particularly at risk.