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

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

Here’s what you will learn when you read this story: Abiogenesis—the emergence of life from nonliving organics—is the leading theory regarding how life spawned on Earth, but it is being questioned.

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

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

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 ...

Humans have long imagined life on Mars, but what if the red planet actually delivered life to Earth in the first place?

"Alien: Earth" follows a group of soldiers as a ship carrying a Xenomorph crash-lands on Earth. The FX TV series is set in the same universe as the "Alien" movies. Here's when "Alien: Earth" takes ...

The comet originated from outside our solar system and poses no danger to our planet. NASA officials have rejected theories that the object could be an alien spaceship. While not visible to the naked ...