Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small icy world in orbit around Saturn is emerging as one of the most compelling ...

While there’s no concrete consensus on a list of prerequisites for life to evolve on other planets, there are at least a ...

Scientists have shortlisted 100 unusual radio signals from space after a 21-year search using Arecibo Observatory data. While ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

Explore how astronomers aim to identify signs of alien life by analysing the atmospheres of distant exoplanets through ...

A new study referencing a past NASA Cassini observation found the presence of 'slushy tunnels' in Saturn's largest moon Titan ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Find the answer for Contradictory statement regarding the likelihood of alien life existing from the people who brought you the USA TODAY Daily Crossword Puzzle.

If so, why haven’t they said hello? The humble residents of this pale blue dot have been on a quest to find an alien civilisation for more than a century. First, it was the “canals” of Mars. Then ...