When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

A list of global space launches designed to calm cold war tensions and promote transparency has been missing from the UN's ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

From Project Hail Mary to Independence Day, Alien to Arrival, these alien movies are much better than Disclosure Day.

For the first time in more than 15 years, the International Academy of Astronautics (IAA) Search for Extraterrestrial ...

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

Astronomers have sharply revised down the mass of nearby super Earth GJ 3378b, dramatically improving its prospects as a ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

It catches very low frequency radio waves made by lightning, solar storms and charged particles moving through Earth’s ...