Visitors from beyond the stars have arrived. What secrets could our intergalactic friends share? What wonders could these space chums unveil? They DO NOT come in peace. The aliens have arrived, and ...

We search for alien life by looking for water, carbon, and something familiar. But that assumption may be wildly ...

With the release of "Disclosure Day," Steven Spielberg's new film about aliens, a question as old as science fiction itself resurfaces: If aliens were to arrive on Earth, would they come to conquer us ...

I don’t know how likely extraterrestrial life might be. But no matter what, the truth of Christianity will stand. This is how strange our times are: Last week, two United States presidents engaged the ...

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature of the universe.

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures? Reading time 3 minutes Assuming aliens do physics like us but are ...

Aliens did not visit Earth in the distant past. They didn't build the pyramids or rule ancient Greece from Mount Olympus or teach Mesoamericans how to plant corn. How do I know? Because they didn't do ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...