As if NASA’s Voyager mission didn’t have enough firsts in its 36-year journey, what with sending the first spacecraft to Uranus, Neptune and, most recently, interstellar space! Now, it has another ...

NASA's farthest spacecraft, Voyager 1, is running low on power but carries on its journey through interstellar space. Credit: NASA / JPL-Caltech illustration At 15.4 billion miles away from Earth in ...