Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

The video ranks the wildest alien megastructure ideas, from famous Dyson spheres to black-hole planets, ring worlds, ...

You are driving alone through a quiet countryside road at dusk when something strange appears in the sky. A sudden white ...

This consciousness begins in Israel and radiates outward. It demands sweat, blood, tears of sorrow and tears of joy. The arena of our mission is not Mars, but the broken places of Earth: Africa, Asia ...

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?

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” – Arthur C.

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

A polarizing Harvard astronomer has been appointed to lead a Trump administration panel studying UFOs. Avi Loeb is leading a ...