The curious minds at What If explore what would happen if there is alien life on Jupiter's moon Europa.

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 ...

Every year, thousands of tons of tiny micrometeorites, each smaller than a poppy seed, rain down on our planet, dusting it ...

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

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 ...

Could alien life exist closer than we think? The Sky at Night team investigate.

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?

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

On early Earth] you need to have gone from simple to complex chemistry before jumping to biology, but we don’t know all the steps. Titan allows us to uncover some of them.”— Zibi Turtle, Dragonfly ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.