Life on Earth is a precious thing, especially given what astronomers know about the visible universe. Although researchers ...

Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...

The Trump administration quietly registers Aliens.gov amid renewed interest in UFO records.

As of March 19, neither Alien.gov or Aliens.gov directs online users to a completed website.

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

Scientists have identified 45 Earth-like exoplanets that are the strongest known candidates for hosting extraterrestrial life.

Astrobiologist and planetary scientist Mike Wong is a big fan of Rocky’s non-traditional look, because it points to the fact that evolution is often random.

Using the Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered a new super-Earth exoplanet orbiting a star located about 83 light years away. The newfound alien world is slightly ...

Could aliens exist on Saturn’s moon Titan? With its thick atmosphere and methane lakes, Titan is one of the most promising places in our solar system to find life. Discover what makes this icy moon so ...

Stacker curated 25 stills from television with an emphasis on a diverse range of genres, protagonists, styles, and time ...