Add Yahoo as a preferred source to see more of our stories on Google. Collage of a telescope under a starry sky and a planet in space. Earthlings, brace yourselves: the galaxy may be emptier than your ...

The quest to find extraterrestrial life is an unending pursuit of science, and one aspect of this search revolves around technosignatures. Detectable from as far as 40 light-years away, Earth’s ...

Add Yahoo as a preferred source to see more of our stories on Google. When we look back at ancient history, we often default to picturing primitive societies with crude tools, simple living, and slow ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

Global temperature increases over the past thirty years, visualized. Credit: NOAA/NCEI Earth's average global temperatures have been steadily increasing since the Industrial Revolution. According to ...

Is anybody out there? Probably. Most stars have planets; we've discovered more than 6,000 exoplanets thus far, and the most basic statistics point toward the existence of countless potentially ...

For decades, the search for extraterrestrial intelligence has largely been predicated on a specific assumption: that advanced civilizations will inevitably grow, expanding their energy consumption and ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian civilizations after sharing footage that appeared to depict a “three-sided pyramid” on ...