Some animals living on Earth appear so unusual that they are often compared to aliens. Their shapes, movements, and behaviors challenge common ideas of what life should look like. Scientists explain ...

In Earth's fossil record, soft-bodied organisms like jellyfish rarely stand the test of time. What's more, it's hard for any ...

The natural world is full of animals that seem to defy logic, blurring the line between reality and imagination. Some look ...

These ‘bubble bullets’ are louder than an underwater gunshot and hotter than lava. The immense heat and pressure also produce ...