The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.

The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.

Left to Right: Steven Yeun in "Nope," the alien in Steven Spielberg's "E.T." and Scarlett Johansson in "Under the Skin" (Universal Pictures / A24) It didn’t take long for stories about ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Move over Xenomorph — these are the most mind-bendingly terrifying aliens in fiction. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.