Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...
The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.
Astronomer Avi Loeb gives his thoughts on the prospect of finding signs of intelligent life beyond our Solar System.
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?
Harvard professor with polarizing views leads the new White House UFO Science Advisory Council amid deep controversy. The ...
A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.
Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...
Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...