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

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

Few places on the planet look less like Earth than the Danakil Depression, a scorched, sunken stretch of northeastern ...

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?

NASA has accomplished some of humanity’s greatest achievements. It put astronauts on the Moon, explored every planet in our ...

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

But now, at an outcrop on the edge of an ancient river channel named Neretva Vallis, Perseverance detected complex ...