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

When a mysterious crescent appeared over Moscow in 1967, alien enthusiasts were unaware they were actually tracking a ...

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 ...

President Donald Trump said on Thursday he would direct federal agencies to begin releasing government files related to ...

President Donald Trump has issued a statement that he will instruct the federal government to begin releasing all of its ...

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

The president’s decision follows former President Obama’s podcast comments about aliens.

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

Disclosing government documents about UFOs won't mean much without hard physical evidence for alien spaceships or alien bodies.

Trump made the announcement on social media Thursday, just hours after accusing former President Barack Obama of disclosing ...