Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” – Arthur C.

This eBay listing for never produced, alleged "Planet of the Apes" action figures is a puzzling mystery for toy collectors.

On a clear night, the sky may seem peaceful and empty. Yet beyond the stars visible to our eyes lies a universe so vast that it is difficult to imagine. Our gal ...

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

When I was first acquainted with Nintendo’s Rhythm Heaven series in 2011, it felt like I had discovered a hidden artifact ...

NASA’s Perseverance rover has uncovered the most extensive evidence yet of complex organic molecules on Mars, detecting ...

Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...

Scientists can't fully agree on what GJ504b actually is. It may be a massive planet or a brown dwarf, a mysterious class of ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...