Science has often wondered about life on Mars, but a somewhat recent discovery may completely change our understanding of the possibility.

From creature features to the first adventure of Wayne and Garth, these are the movies that shaped my '90s kid childhood.

Voyager 1, shown in this illustration, has operated for decades thanks to a radioisotope power system. NASA via AP Benjamin Roulston, Clarkson University Powering spacecraft with solar energy may not ...