Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of thousands of exoplanets, or planets that orbit other stars, and is ...

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...

Former President Barack Obama ignited a firestorm when he seemed to admit aliens were “real.” Congress has explored the topic ...

Donald Trump’s pledge to release official files relating to UFOs has intrigued conspiracy theorists who suspect the US government has hidden evidence of alien activity on Earth.

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

This is the definitive ranking of the best alien invasion movies of all time. In between those bookends, Lifeforce is one of the wildest, most unique, most incredible science fiction movies almost ...

UFO researcher Dr Steven Greer has made an extraordinary claim that could change everything we thought we knew about ...

Two rival teams — one using machine learning, the other human eyes — race to find the first spacecraft to soft-land on the moon.

Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million people banded together in a real-time search for aliens -- with screensavers.

The move comes after former president Barack Obama caused a storm for saying 'aliens are real' ...