What do you get when you take an alien parasite and smush it together with a human being? Would you get to become a ...

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

Star Trek is known for its idealistic view of the future, but some episodes step into darker realms by challenging and ...

Why do parasites harm their hosts? That's a question evolutionary biologists ask as they try to predict how a parasite might evolve and perhaps become more lethal in response to control methods, such ...

From space slugs to lunar cemeteries, these movies, games, and books show that the undead can arrive from above, as well as below.

Pluribus Season 1 presents a fascinating sci-fi mystery and leaves viewers with plenty of questions heading into Season 2.

George R.R. Martin's forgotten sci-fi, from Wild Cards' virus-altered aces to Dying of the Light's rogue planet, ranked for ...

Dive into 'Stranger Things' Season 5’s shocking creature origins and learn the truth behind the Abyss, Demogorgons, and the ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...