The Lucy mission will be the first spacecraft to visit a group of asteroids around Jupiter known as "the Trojans."
In comparison, it would take 73,000 years for Voyager to reach our closest neighboring star.
The experimental system is designed to keep the antennae of the satellites in the shade, thereby preventing sunlight from reflecting off them back to Earth.
Taking place at a SpaceX site in Texas, the SN4 prototype became the first full-scale build to pass the crucial test following a series of setbacks with prior models including the MK1, SN1 and SN3.
As Boeing's Starliner marks its historic maiden voyage to space, we look at what the launch means for the commercial space travel industry.
It has a probe instrument attached to it called HP3.
TESS may uncover planets that have the right conditions for life to exist.
A garbage-collecting satellite launched by U.K. astronauts is on a test run to see if it can circle Earth, using a harpoon and a net to trap debris.
"It will truly be a historical mission to take our first step into interstellar space."
The idea behind Shapeshifter is that a handful of individual units would work together to create a variety of modular designs, each with a different skill.
It's scheduled to begin at 8:00 p.m. EST.
During its long tenure, Cosmos 1346 reportedly tapped into transmissions from the Falklands War in the 1980s.
A whole bunch of scientists will be at the edge of their seats, and you can be too.
A video published by NASA on Monday shows Jupiter's largest moons moving around the planet.
NASA released a new video simulating a fly by of Ceres, based on images taken by its Dawn spacecraft.
After four years in orbit around Mercury, the spacecraft is "out of fuel and under gravity's spell."
A signal from NASA's Dawn confirming the first-ever successful entry into orbit of a dwarf planet came back at 8:36 a.m. on Friday.
It's the best look we've yet had of the dwarf planet.
NASA's test flight launched early Friday morning and successfully splashed back down in the Pacific hours later.