BEIJING -- Chinese scientists have successfully achieved the first direct mass measurement of a free-floating object, confirming that it is a planet with a mass comparable to that of Saturn. This key ...

For two decades, astronomers have chased a cosmic ghost: ultra‑massive “monster stars” that theory said must have existed but ...

We need a spiritual reawakening, to determine whether we want to be the shining city on the hill envied by the world, or ...