Efforts to manage invasive alien plant species in forests could be held back by a continued reliance on chemical methods, ...

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

Efforts to manage invasive alien plant species in forests could be held back by a continued reliance on chemical methods, ...

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 ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

A study suggests that stellar plasma may distort alien signals, complicating SETI's search for extraterrestrial life by ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents preserved fragment of ancient planetary system ...

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

One of the best horror games of the 2010s was Creative Assembly's Alien: Isolation, but it certainly took some time for audiences to see it in its proper light. Though it initially received mixed ...

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