On January 2, 2019 at 9:26pm EST, China's Chang’E-4 probe did what no human or machine has ever done before, and landed on ...

For decades, scientists have searched the universe for signs of life beyond Earth. While distant exoplanets often grab the ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Scooby and the gang win a space lottery to fly on a billionaire's ship, but a rogue alien forces them to land on the dark side of the moon to solve an interstellar mystery.

A new study proposes examining Mars and other space samples on the Moon before bringing them to Earth, arguing it would ...

Scientists suggest the Moon could act as a quarantine checkpoint before samples from Mars are brought back to Earth.

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

Seeds that flew on a NASA mission were planted, and now a sweet gum tree will be celebrated as a “moon tree” in Manhattan.

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.