Professor Tim Coulson, a leading authority on alien existence, has warned that mankind could be "wiped out" by vile slug-like ...

The ocean is home to some of the most fascinating creatures on Earth, but none are as astonishing as the Turritopsis dohrnii, commonly known as the immortal jellyfish. These tiny, alien-like ...

Most beachgoers know that live jellyfish can be dangerous, but what if you encounter a dead one washed up on the shore? An expert weighs in on what to do.

The question of what aliens might look like – and if they exist at all - has captivated humanity for decades. Experts have ...