“Hollywood has preconditioned us to expect one of two types of alien contact, either a hostile invasion force or a benevolent ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

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 ...

Across astronomy and astrobiology, a quiet but profound shift is underway. Instead of assuming the galaxy teems with ...

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

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 ...

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 ...