Some movies you watch and never forget—because you can’t. Who could fail to remember the first time they saw Nazis in space, or Nicolas Cage ranting and raving about honey in a matriarchal commune?

"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." ...

Life's capacity to survive in simulated lunar and Martian soils has been explored in two papers published in Scientific ...

A viral podcast moment last month reignited speculation about extraterrestrials and prompted President Donald Trump’s commitment to kickstarting the release of government files on flying saucers. But ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

What is the most important step that humanity must take to avoid extinction? According to the late physicist Stephen Hawking, the answer lies far beyo.

Deep in the Nevada desert sits Area 51, a military facility so secret the U.S. government refused to even acknowledge it for decades. Hidden within restricted airspace and guarded by heavy security, ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

Scientists demonstrated that an Earthly extremophile might withstand being ejected from the Red Planet on debris spewed into ...

Mars might have its own defense mechanism against life from Earth, in a kind of reverse of "The War of the Worlds" scenario ...

DENVER—Last month, President Donald Trump took to social media with an announcement that he would direct the Pentagon and other federal agencies to “begin the process” of disclosing government files ...

Two lunar landers manufactured by Firefly Aerospace and Intuitive Machines, both based in Texas, were on the moon in March ...