Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human ...

In 1945, science fiction writer Arthur C. Clarke proposed something ridiculous: satellites orbiting Earth at exactly the right altitude to stay fixed above one spot, beaming radio signals across ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The idea that space-time exists is no more ...

Space: the final frontier. These are the voyages of the starship "Parenthood." Its continuing mission: to explore strange new streaming services; to seek out cartoons about space; to boldly go where ...