Discover the starting UFO claim by a former NASA employee, shedding light on alleged extraterrestrial encounters and government secrets.

The findings of a new study may help "explain some of the radio silence we’ve seen in technosignature searches" for alien signals, an astronomer said.

In fact, polls in Australia, the US and elsewhere indicate around a third of the public believes aliens are here. However, while what we know about the universe suggests aliens may exist, there are ...

Are we alone in the universe? While the search for life beyond Earth has so far turned up empty, the infamous question continues to haunt humanity’s exploration of the vast cosmos. Now, NASA’s ...

The Pentagon has opened a case to investigate this 1972 NASA photo from the Apollo 17 mission on the moon. The image contains three unidentified dots above the lunar horizon. Credit: NASA / Department ...