Some UFO cases remain difficult to explain, but that is only the beginning of the scientific question. The evidence needed to ...

For centuries, humans have looked up at the night sky and wondered whether we are alone in the universe. What once belonged to the realm of philosophy and science fiction has now become a serious ...

Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

Can Higher-Dimensional Aliens Exist? Considering the Contradictions of an "Invisible World" Through the Lens of Physical ...

Aliens could live on a moon in our solar system, scientists have announced. Researchers have long been particularly excited ...

This video explores what alien life might actually look like if evolution, physics, and planetary environments are allowed to do their full work. Instead of defaulting to humanoid creatures, it looks ...

Steven Spielberg’s classic sci-fi film E.T. the Extra-Terrestrial has become a firm part of popular culture - TCD Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s ...