Lee said SETI’s paper could answer the Fermi Paradox, the idea that if the universe is billions of years old, where are all ...

The reason we haven’t heard from aliens could be remarkably simple: interstellar communication is hard, and turbulent plasma ...

Look up on a clear night and you'll see the streaks of our new space age. What you don't see is the growing fallout for the atmosphere that keeps us alive.

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

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 ...

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

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

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

There is a silence in the night sky that has bothered me for as long as I can remember. ” Richard Feynman’s reflection lingers because it feels personal.

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...

There is a silence in the night sky that has bothered me for as long as I can remember. ” That observation, attributed to ...