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 ...

Glowing red lobsters, octopus gardens, towering tree-like corals and glass sponges that are thousands of years old make up just a few of the life forms at this new seamount. When scientists say that ...

The sea is dark and full of terrors. There may or may not be water on Mars, but there are apparently Martians in the water. A fisherman is making waves after sharing footage of a bizarre, mystery sea ...