After nearly half a century of flight, Voyager 1 is closing in on a distance that once belonged purely to thought experiments: one full light-day from Earth. The tiny spacecraft, launched in the late ...

In November 2026, NASA’s Voyager 1 spacecraft will achieve an extraordinary milestone, becoming the first human-made object to reach a full light-day from Earth. This momentous achievement, scheduled ...

Space debris—the thousands of pieces of human-made objects abandoned in Earth's orbit—pose a risk to humans when they fall to ...