One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Humans are looking to colonize the rest of the universe in Netflix’s reimagining of the 1960s sci-fi TV show “Lost in Space.” Of course, it doesn’t go very well — hence the name of the show. When ...

The appearance of the interstellar objects (ISOs) 'Oumuamua and Comet Borisov in 2017 and 2019, respectively, created a surge of interest. What were they? Where did they come from? Unfortunately, they ...

Alpha Centauri, one of the two "Pointer Stars" that help stargazers find the Southern Cross in the Southern Hemisphere, may have a planet in orbit around it. If it does, the Webb Telescope will find ...

Interstellar asteroids visiting our solar system from parts unknown used to be the stuff of science fiction. But today, we know of at least two such bodies Oumuamua and 2I/Borisov respectively ...

On June 13 NASA’s official tally of exoplanets—planets beyond our solar system—shot past 4,000. The master list includes alien worlds around both tiny neutron stars and swollen, dying suns, planets in ...

Finding a habitable planet in the nearest star system is an ongoing quest. But the overall habitability of the Alpha Centauri system based on its three stars, just over 4 light-years away, could be ...

With the Webb Space Telescope on the brink of releasing its first full-color images and data, Jet Propulsion Laboratory astronomer Charles Beichman and his team are about to take a chance on a ...

Using the James Webb Space Telescope (JWST), astronomers detected a potential gas giant exoplanet, designated S1, orbiting Alpha Centauri A, a star in the closest stellar system to Earth. The ...

(Note: This post was originally published on April 17, 2018, and contains light spoilers for Netflix’s “Lost in Space,” whose third and final season debuted Wednesday.) Humans are looking to colonize ...