There were schools of thought in Ancient Greece that speculated about extraterrestrial life, in trying to answer questions ...

Gypsum is a soft, translucent sulfate mineral that allows just enough light to penetrate for photosynthetic organisms to survive inside, while also protecting them from being desiccated or exposed to ...

Scientists in Brazil have uncovered evidence of a previously unknown impact event recorded in hundreds of glassy fragments ...

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.

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.

Past classified reviews looking for alien life have found stranger things about life in Washington.

President Donald Trump on Thursday said he would direct the Pentagon and other government agencies to release government records related to extraterrestrial life and UFOs.

President Donald Trump said Thursday that he's directing the Pentagon and other government agencies to release files related to extraterrestrials and UFOs because of "tremendous interest." ...

President Trump had lashed out at former President Barack Obama earlier Thursday for telling a podcaster that aliens were ...

Trump's comments came hours after he claimed that former President Barack Obama shared 'classified information' when he told ...

The president’s announcement came after he rebuked his predecessor Barack Obama for saying that aliens were “real.” Obama ...

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