Popular culture imagines aliens as creatures made of flesh and bone — but some researchers argue that advanced civilizations ...

Science fiction has imagined everything from little green men to tentacled monsters—but real biology may offer clearer clues. Evolution follows universal rules, meaning alien life on Earth-like ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

Donald Trump on Friday directed the Department of War and other relevant departments to release the government files pertaining to aliens and unidentified flying objects. As the Trump administration ...

Lara Trump recently claimed the president already has a speech prepared on UFOs.

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.

In the spring of 1967, a series of unusual sightings began to grip the ...

For more than six decades, astronomers have listened for possible signals from extraterrestrial civilisations, with no confirmed detection to date. A .

Since the first Search for Extraterrestrial Intelligence (SETI) experiment in 1960, scientists have been scanning the Milky ...

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

Following Obama’s remarks, Trump’s announcement that he would order the release of files related to aliens and UFOs, the ...

We got a kick out of an old chestnut among conspiracy theorists -- whether intelligent life exists elsewhere in the universe and whether any of those aliens have visited Earth -- that rose to the ...