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

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

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

Some people thought he was confirming aliens exist. But he later clarified on Instagram that during his time in office, he ...

NASA has given a hilarious response to President Trump following his demand for UFO files - and it dashes hopes of an ...

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

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.

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

No, Barack Obama did not just reveal the existence of E.T. As The Daily Beast’s (self-appointed) UFO beat reporter, I took special notice when the former president declared that “aliens are real” ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...