On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

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

Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

Prometheus, the divisive but brilliant 2012 prequel to the legendary Alien sci-fi franchise, has just been added to Netflix.

Tesla Inc. (NASDAQ:TSLA) and SpaceX CEO Elon Musk shared the possibility of encountering extraterrestrial life as space ...

Former U.S. President Barack Obama said he did not see evidence that aliens “have made contact with us,” after sending social media abuzz by saying aliens were real on a podcast over the weekend.

The Lunar New Year is welcomed with a variety of cultural traditions and rituals such as carnivals, parades, fireworks and ancestor remembrance.

Former President Barack Obama went viral by saying aliens were real over the weekend. He's now trying to walk back the claim.

Former President Barack Obama said he did not see evidence that aliens “have made contact with us,” after sending social ...

Former President Barack Obama ignited a firestorm when he seemed to admit aliens were “real.” Congress has explored the topic ...

With Area 51 ruled out by President Obama, where might aliens really be hiding? Scientists have now revealed the best candidates.