These very elusive creatures look like something out of a fairy tale, but they are difficult to study.

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?

A fossil of the creature provides the first evidence that microraptors lived in what is now northwestern China. Its discovery ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

Fire & Ash' hits Disney+, we delve into the jungles of Pandora to learn about three of the Avatar series’ coolest alien creatures.

What if consciousness isn’t limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that ...

A newly discovered feathered dinosaur called Jian changmaensis may be the missing predator responsible for mysterious piles ...

Palaeontologists have found new evidence that the early ancestors of amphibians, reptiles and mammals did not have a larval ...

An oceanic expedition off Brazil has discovered 31 otherworldly new critters, including ghostly invertebrates, animals living ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

From a jellyfish that cheats death to a tiny indestructible animal that can survive the vacuum of space, Earth is home to some creatures so biologically bizarre they seem like they shouldn't belong he ...