Two scientists want NASA to build a quarantine lab for alien germs on the Moon, rather than on Earth. The pair, ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously secret NASA Apollo 16 briefing surfaced online. The recording references a ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and ...

In 1944, 29 reindeer were introduced to St. Matthew Island for emergency food. Without predators, the herd exploded to 6,000.

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...