What would aliens actually look like? While simple life forms like bacteria may be common in the universe, complex ...
Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...
Former Pentagon UFO investigator Luis Elizondo claims the US government possesses unreleased photographs showing what appear ...
Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...
A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...
California’s The Integratron was inspired by extraterrestrials – now it’s promising out-of-this-world experiences ...
What began as an ordinary day in a small Australian beach town turned into an unusual investigation after six large metallic ...
When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...
Earth’s history has been shaped by five mass extinctions—catastrophic periods when life changed so dramatically that entire ...
Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.
The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...
In a recent two-week voyage through the southern Atlantic, scientists uncovered an astonishing array of 31 previously unknown ...
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