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

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

The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a new theory is shifting the focus—what if life elsewhere in the universe ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

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