When NASA crashed a spacecraft into the asteroid moonlet Dimorphos in 2022, it altered both Dimorphos' orbit around its parent asteroid, Didymos, and the two objects' orbit around the sun, according ...

In 1959, the Luna 2 probe from the Soviet Union became the very first human-made object to reach our closest celestial neighbor. In the decades since, we have been leaving footprints—both literally ...

As Voyager becomes the first human-made object to enter interstellar space, it also carries the first human-made mixtape destined for such depths of the universe. A recent article in Voice of America ...

Two research teams have identified possible landing sites for Luna 9, the first human-made object to safely reach the lunar surface. “One of them is wrong,” an expert said. By Becky Ferreira Becky ...

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 ...