interstellar travel

Matt Damon, star of the new movie "The Martian," has appeared in two other major science fiction movies in the last two years. Could the Hollywood A-lister keep up his science fiction streak?

Blasting tiny, waferlike sailing spacecraft with powerful lasers could slash interstellar flight times from thousands of years to mere decades, one researcher says.

To broaden support for space exploration, advocates should consider approaching religious groups – especially in settings that are familiar to that religion, a new study suggests.