It is one of the most famous questions in science, and it was asked, as legend has it, over lunch. Enrico Fermi, the ...

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

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 ...

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 ...

A recent study by EPFL finds that extraterrestrial signals in the Milky Way are likely rare and distant, with few detectable transmissions reaching Earth at any time ...

Some scientists are raising a chilling possibility: modern humanity could be the final advanced civilization Earth ever produces. From environmental limits to technological self-destruction, ...