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

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

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

Following speculation that comets could have been alien spacecrafts, more and more experts in the field are convinced that ...

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

Explorers go to a planet that they believe holds clues to the origins of mankind. While the 2025 TV show ignores the Prometheus arc, it remains the oldest, non-AVP installment in the franchise. It ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Sydney Chandler in "Alien: ...