A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

This isn’t just another sci-fi creature. Every detail, behavior, and design choice makes this alien feel eerily believable, ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

One unexpected choice in the Alien franchise's best prequel breaks a big rule of spinoffs by shattering franchise continuity, ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

Deep within the Butterfly Botanical Area in Plumas National Forest, thousands of rare California pitcher plants grow in a ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Lionfish, mitten crabs and “sea vomit.” Meet eight marine species inadvertently brought to new territory that are taking the ...

The idea that octopuses might be aliens emerged from the theory of panspermia (Stelele 2018), according to which life on Earth is not entirely of terrestrial ...