Thomas Mulligan explains the Great Filter theory, which proposes that advanced alien civilizations may be rare or ...

Journey into the vast unknown as we explore the cutting-edge methods used to hunt for intelligent extraterrestrial life. This ...

Astronomers may be able to identify possible Dyson swarms by looking for unusually cold, clean infrared signals around ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly ...

A photo of a three-sided Martian "pyramid" has sparked discussions on potential advanced life on the Red Planet. Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a ...

Scientists may have discovered how extraterrestrial civilizations could actually detect and find Earth.

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 ...

NASA's Perseverance robot, depicted here landing on the Martian dunes, used its cutting-edge cameras to image what could be the first evidence of life ever detected on Mars, opening the possibility ...