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

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 ...

For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small ...

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