Sci-fi movies explore many great ideas, but movies like Alien deserve to be considered greats and remain at the top decades later.

Some wasps are unsettling, and then there are species so extreme that even the scientists who study them reach for words like ...

Hidden within Cassiopeia A, the youngest known exploded star in our galaxy, astronomers have found surprisingly high levels of chlorine and potassium. These elements carry an odd number of protons in ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

Alien, Apocalypse Now, and All That Jazz are all among the absolute greatest movies from 1979 that are now widely considered ...

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, you're a large object like a moon or a planet; scientists suspect you also ...

Horrors like The Exorcist and crime dramas like Dog Day Afternoon are among the most intense movies of the 1970s, capturing ...

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 ...