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 ...

On Aug. 11, 1960, part of the Discoverer 13 satellite became the first human-made object to be recovered from Earth's orbit. The United States Department of Defense launched the mission as part of the ...

Nearly 50 years after launch, Voyager 1 continues to rewrite humanity’s understanding of space — and in 2026, it will mark ...

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

High up in Earth's orbit, millions of human-made objects large and small are flying at speeds of over 15,000 miles per hour. The objects, which range from inactive satellites to fragments of equipment ...