Alien life might look unlike anything we've ever seen on Earth. Trying to find evidence of these unknown organisms will ...

"With more than 100 billion galaxies in the observable Universe and at least 500 billion planets in the Milky Way alone, don't you think we should have found something by now? What would happen if ...

A new paper suggests intelligent extraterrestrials could be eating stars to fuel their sun-steering civilizations.

Discover the top alien and space movies, featuring thrilling adventures, extraterrestrial encounters, and epic journeys ...

Why planetary scientists think advanced aliens will turn to nuclear fusion to meet their massive energy needs. Here’s how we ...

Scientists have been searching for evidence of extraterrestrial life for decades. So, where are all the aliens? Here are 12 ...

We have only one example of biology forming in the universe—life on Earth. But what if life can form in other ways? How do ...

Sylvester Kaczmarek explained there is no universally agreed rule on how governments or scientists would respond to an Alien ...

Scientists propose a new method to detect advanced alien civilizations by looking for signs of nuclear fusion on distant ...

Scientists have identified Acidalia Planitia on Mars as a potential hotspot for alien life, with conditions ideal for ...

Heavy hydrogen could be important in long-range detections of civilizations, says a pioneering astronomical study.