Science fiction is the literature of our times, the fuel of our imaginations and the source of our favorite imaginary worlds. But what do we mean when we talk about “science fiction?” Here are some of ...

Science fiction is the literature of change and discovery. So there are no limits to how far a science fiction story can go… except for scientific plausibility. And yet, science fiction is created by ...

While the name Jean Giraud may not be well known outside of the comics world, it is not an overstatement to say that it would be impossible to imagine what modern science fiction would look like ...

As life-preserving medical technology advanced in the second half of the 20th century, doctors and families were faced with a thorny decision, one with weighty legal and moral implications: How should ...

Astronomers are proposing a new, more quantitative definition of what makes a planet. The new definition looks more directly at the object's mass — but it would still leave Pluto out of the running.