"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

As we look back over the past 20 years, certain villains stand out for their ability to linger in our minds long after the ...

With tons of "Star Trek" alien races depicted over the decades, consistency is a tall order. And in the case of these aliens, ...

Despite its length and the reuse of ideas, Avatar remains a solid franchise — and Cameron continues to prove that some ...

After nine films, including sequels, prequels and spinoffs, and now Hulu’s Alien: Earth, the Alien franchise continues to ...

The ‘Pluribus’ finale shows the terrifying reality of a perfectly unified world with a single scene, starring Kusimayu ...

Using JWST, scientists discovered PSR J2322-2650b — a carbon-rich, lemon-shaped exoplanet orbiting a pulsar — challenging ...

Alien set a standard for the sci-fi horror genre, but in the years since, new TV mediums have put their own spin on the ...

The third installment in James Cameron's "Avatar" franchise "flirts with some genuinely interesting ideas about tribalism and ...

From a “habitual" child predator to a beheading incident, here are ten of the worst of the worst criminal illegal aliens ...

The creature Dek vowed to kill in the opening scene is one of the largest and most terrifying predators roaming Genna, but to ...

Sci-fi was (mostly) the name of the game this past year, from Xenomorphs to Body Snatchers to K-2SO... This is IGN's Best TV ...