A modest NASA space telescope with grand ambitions will soon launch into an orbit around Earth. Here's why scientists are excited about it.

Voyager 1 and Voyager 2 are both exploring uncharted territory in interstellar space. Engineers at NASA’s Jet Propulsion Laboratory in Pasadena, California, sent a command for Voyager 1 to power ...

"The spacecraft will be encountered and the record played only if there are advanced spacefaring civilizations in interstellar space ... rescue NASA's space shuttle program by funding its ...

At some point, the batteries aboard each 47-year-old spacecraft will finally die, rendering the scientific probes into interstellar monuments to themselves. However, NASA isn’t ready to say ...