Dive into the fascinating theory that octopuses might not be from Earth—are they really aliens?

Chinese scientists' claims that their "Sky Eye" telescope could have picked up signals from intelligent aliens have been met ...

Scientists may need to broaden their horizons in their search for alien life.

NO ALIENS, dead or alive, have ever been taken to Porton Down, a government website proclaimed last year in an attempt to ...

Dubbed HD 137010 b, the planet might fall just within the outer edges of its star's 'habitable zone', meaning there could be liquid water on its surface and a suitable atmosphere for life.

Bacteria that thrive on Earth may not make it in the alien lands of Mars. A potential deterrent is perchlorate, a toxic chlorine-containing chemical discovered in Martian soil during various space ...

For readers seeking intellectually ambitious, thought-provoking fiction that bridges science, history and human complexity, ...

The theme this week is proximity - whether an alien / UFO sighting from the Brazilian archives, NASA returning to the moon ...

A recent global analysis shows that invasive alien species are linked to significant declines in insect populations and ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...

A new theory has suggested there are mysterious forces lurking under the Bermuda Triangle, which has led to boat sinking and stalling.

While some “unfilmable” novels have been successfully adapted, the books on this list might be too difficult to even attempt.