Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

Microsoft has updated the list of games leaving Xbox Game Pass this month, confirming that eight titles will exit the ...

The octopus is one of the strangest animals ever to evolve. With 500 million neurons—most of them located in its eight arms ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Could Cuba really withstand a conflict with the United States? This video explores the growing tensions between Washington ...

A well-worn expression among oceanographers and others who explore the watery depths of planet Earth is that we humans “know the surface of Mars better than our ocean floors.” Covering more than 70 ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Astrobiologists think extraterrestrial civilisations grow so much that they hit crisis points, missing the chance to set out ...