Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Astronomers have revised the mass of nearby exoplanet GJ 3378 b, recasting it as a rocky super‑Earth in the habitable zone ...

The Apple TV series wraps noir inside science fiction. With subtlety and charm, Farrell plays an earnest alien just doing his ...

NASA's Jared Isaacman confirmed the agency has unexplained UAP imagery, fueling alien life debates. He urged scientific ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

NASA's Curiosity rover was built for a 2-year Mars mission. Nearly 14 years later, it is still making history in Gale Crater.

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

Count Binface describes himself as ‘an intergalactic space warrior and leader of the Recyclons from planet Sigma IX’. But the ...

NASA's proposed Habitable Worlds Observatory will be designed for robotic repairs instead of astronaut servicing. The ...

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...