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

The use of lunar resources could "completely change the energy situation on Earth," a former NASA adviser told Newsweek.

For anyone who has ever wondered whether they could handle life on another planet, NASA is offering a chance to find out – ...

The scientist has outlined the 'potentially devastating and irreversible long-term impacts' of unknown organisms in space ...

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

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

ESA's Rosalind Franklin rover will use MOMA to search for ancient Martian life by analyzing chiral organic molecules.

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 ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

The Pentagon's latest declassified UAP files, including eyewitness videos and historical documents, have reignited interest ...