Earth seems like a troubled place right now, but at least our cosmic surroundings appear peaceful. This is not universally ...

The search for intelligent alien life takes humanity beyond basic microbes into a vast cosmic hunt for advanced civilizations ...

What if aliens were living among humans somewhere in the city? And what if those aliens experienced accidents or losses, ...

Scientists have traced a series of mysterious radio signals to a gigantic alien world 63 light-years from Earth.

Life not of this world is a fascinating topic for any medium. These five movies are the best examples of the new century, ...

An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...

If ancient alien explorers ever traipsed through Earth's cosmic neighborhood, could it be possible they left behind some interstellar litter on the moon?

What started as a quest for Cosmos to explain complex scientific concepts through visual art spanned four decades of ...

A group of NASA scientists have headed on an expedition to Scotland after they seemingly discovered alien life in rocks that ...

Scientists believe that greater plant growth provides more energy and ecological space for animals, linking the conditions ...

Read an exclusive excerpt of her new book as Dr Seven Rasmussen reveals where she would look for life in the Solar System.

Belgian physicist praised for work on the IceCube detector that observes the ghost-like particles in Antarctica ...