However, a new study available on the arXiv preprint server introduces a compelling idea about how we might first encounter ...

For decades, scientists have searched the skies for signs of alien civilizations. This breakdown looks at why that approach ...

In this scenario, our first contact with aliens would be tragic. We should look for "loud shouts in the night".

For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are ...

Interstellar objects such as Comet 3I/ATLAS can be sent by alien civilizations to "sow" life on Earth. At the same time, it is almost impossible that for the entire time of Earth's existence the Earth ...

The search for extraterrestrial intelligence (SETI) has yet to detect alien technosignatures like radio waves, but the cosmos is vast, and there are plenty of places left to look. New research ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

After searching 100,000 galaxies for signs of highly advanced extraterrestrial life, a team of scientists using observations from NASA's WISE orbiting observatory has found no evidence of advanced ...