For decades, scientists have scoured the skies and planetary surfaces for evidence that life might exist beyond Earth. New ...

Space startup Max Space unveiled plans for an inflatable space station that can expand to a whopping 12,300 cubic feet.

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Breakthrough Listen searched for technosignatures from interstellar comet 3I/ATLAS but found no unusual signals or behavior ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

One estimate by an engineer in SCU forecasts that given 300 "actual" UAP sightings per year — and assuming random ...

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

The search for alien life has moved from planets to moons. This video dives into the hidden, globe-spanning oceans beneath ...