Sometimes, however, the reasons dogs and cats seem to be seeing ghosts might be rather mundane.

For centuries, people have claimed to see ghosts - but what if the truth isn’t supernatural at all? In this Halloween special ...

Almost 40 percent of Americans believe in ghosts, according to a recent Gallup poll. Believing is one thing, but there are people who want proof. They actively search for evidence that ghosts exist, ...

Robot featuring a transparent umbrella-like body and tentacles mimics the movement and mannerisms of jellyfish.

Cats have always fascinated humans with their mysterious behaviour, from sudden stares at empty spaces to pouncing on seemingly invisible targets. Many people wonder: can cats see ghosts? A study ...

Scientists have discovered two new spooky sea creatures living hundreds of metres under the ocean. Find out more here.

While investigating everything from bizarre coincidences to ghoulish encounters, Sarah Knapton, our Science Editor, and Joe ...