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

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

On a clear night, the sky may seem peaceful and empty. Yet beyond the stars visible to our eyes lies a universe so vast that it is difficult to imagine. Our gal ...

Harvard astrophysicist Avi Loeb, known for his controversial extraterrestrial theories, is now leading a new Trump ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

Jupiter's moon Europa has an abnormally high reflectivity, acting like a mirror due to the features of the ice shell. This ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

The TESS space telescope has discovered hundreds of exoplanets. Now another one has been added, for which the method used ...

WD 1856 b circles the burnt-out core of a dead star at a distance that seems almost impossible. The giant planet skims around ...

Movies like Arrival and Eternal Sunshine of the Spotless Mind feature the best and most powerful endings in the history of ...

The year is 2126. Looking out your window, you watch Earth hanging silently above the lunar horizon. What was once a ...

Stacker compiled a collection of 70 images that show how the '70s changed the world. See photos of the decade's defining ...