The curious minds at What If explore what would happen if there is alien life on Jupiter's moon Europa.

A new policy paper proposes a lunar biocontainment facility for extraterrestrial samples. This secure lunar laboratory would ...

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

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

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is nothing more than a miraculous anomaly. But what if we could change that?

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

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

English science fiction writer Arthur C. Clarke once said, "Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying." It's a line that has motivated ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow the search for potentially habitable planets beyond Earth. When you purchase ...

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

The Pentagon's latest declassified UAP files, including eyewitness videos and historical documents, have reignited interest in extraterrestrial theories and alien life.

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial to understanding Titan’s complex chemistry ...